$_SERVER get code status

function getHttpStatus($url) { $headers = get_headers($url, 1); return $headers[0]; }

сравнить два дробных числа

function compare(a, b){ if(a>b){ return true } return false } compare(1.1, 2.2)

set time zone 0

function printTime(name, age) { console.log(name + " is " + age + " years old."); } printTime("Bob", 32);

обрезка массива

function cutArray(arrayToCut, from, to) { return arrayToCut.slice(from, to); } cutArray([2, 3, 4, 5, 6, 7, 8, 9], 2, 5)

Math.max() in object

def max(a, b): return a if a > b else b max(1, 2)

open and save json file

function saveToJson(path, data) { fs.writeFile(path, data, err => { console.log(err); }); } function openFromJson(path) { return JSON.parse(fs.readFileSync(path).toString()); }

последние 1000 массив

function getLast1000() { return array_slice(getAll(), -1000); } $last1000 = getLast1000();

pack to gz and return archive

def pack(archive, file): return gz_file(file, archive) pack('archive.tar.gz', 'file.txt')

map to new json

const users = [ { id: 1, name: "Leanne Graham", username: "Bret", email: "Sincere@april.biz", address: { street: "Kulas Light", suite: "Apt. 556", city: "Gwenborough", zipcode: "92998-3874", geo: { lat: "-37.3159", lng: "81.1496" } }, phone: "1-770-736-8031 x56442", website: "hildegard.org", company: { name: "Romaguera-Crona", catchPhrase: "Multi-layered client-server neural-net", bs: "harness real-time e-markets" } }, { id: 2, name: "Ervin Howell", username: "Antonette", email: "Shanna@melissa.tv",

get tdl with domain

function get_tld($url) { $tld = ''; $parsed_url = parse_url($url); $host = isset($parsed_url['host']) ? $parsed_url['host'] : ''; if ($host == '') { return $tld; } $host_components = explode('.', $host); $tld_components = array_slice($host_components, -2); $tld = implode('.', $tld_components); return $tld; }

первая буква заглавная

function add(a, b) { return a + b; } add(1, 2)

файлы из папки

$files = glob('/var/www/uploads/*.txt'); sort($files); foreach($files as $file) { echo "$file size " . filesize($file) . "\n"; }

instagramm login

/^[a-zA-Z0-9_-]{4,14}$/

find all tag a

/<a\s+href\s*=\s*['"]?\s*(.*?)\s*['"]?\s*>(.*?)<\/a>/

последние 1000 массив

function last_1000($array) { return array_slice($array, -1000); } last_1000([0, 1, 2, 3, 4, 5, 6, 7, ...])

строка начинается на б

/^b/

ajax post this page

$ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://www.example.com"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, "postvar1=value1&postvar2=value2"); $output = curl_exec($ch); curl_close($ch);

только цифры буквы и :

/[\d\D]/

gzencode return archive

function gzencode($data, $level = -1, $encoding_mode = FORCE_GZIP) { return gzinflate(substr($data, 10, -8)); }

remove first symbol

function removeFirstSymbol($string) { return substr($string, 1); }

get value onclick

<button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x; if (confirm("Press a button!") == true) { x = "You pressed OK!"; } else { x = "You pressed Cancel!"; } document.getElementById("demo").innerHTML = x; } </script>

найти буквы

/\w+[a-zA-Z]+\w+/g

personal hash

function personal_hash(string $password, string $salt, int $iterations, int $length): string { return substr(hash('sha256', $salt . hash('whirlpool', $password) . $salt), 0, $length); }

с заглавной буквы

function Big(str) { return str.charAt(0).toUpperCase() + str.slice(1); } Big("hello")

массив дат текущего месяца

function dates () { const d = new Date(); const days = new Date(d.getFullYear(), d.getMonth() + 1, 0).getDate(); const dd = []; for (let i = 1; i <= days; i++) { dd.push(i); } return dd; }

array.push item by key

function push(array, item) { array[array.length] = item; return array.length; }

find .html

\.html$

изменить имена у файлов

foreach (glob("*.txt") as $filename) { $newname = $filename . '.bak'; rename($filename, $newname); }

обрезка массива

function truncate(array $a, $b) { return array_slice($a, $b); } echo truncate([1,2,3,4,5,6,7,8], 4);

replace % to ''

function removePercentage(str){ return str.replace(/%/g, ''); } removePercentage('100%')

microseconds to seconds 1.5

function microseconds_to_seconds($microseconds) { return $microseconds / 1000000; } microseconds_to_seconds(1000000);

есдли число делится без остатка

function is_divisible_by_five($number) { return $number % 5 == 0; }

svg base64 to jpg

function svg2png($string, $filename) { $encoded = base64_encode($string); $data = "data:image/svg+xml;base64,$encoded"; $image = new Imagick(); $image->readImageBlob($data); $image->setImageFormat("png24"); $image->writeImage("$filename"); }

parse csv

// parse csv $parsed_data = array_map('str_getcsv', file('data.csv')); echo '<pre>'; print_r($parsed_data); echo '</pre>';

процент от числа

function find_percentage($total, $part) { return ($part / $total) * 100; }

file to utf8

function file_get_contents_utf8($fn) { $content = file_get_contents($fn); return mb_convert_encoding($content, 'UTF-8', mb_detect_encoding($content, 'UTF-8, ISO-8859-1', true)); }

заменить все кроме цифр

function clearString(str){ return str.replace(/[^\d]/g, ''); }

curl asynchrone pool

function some_curl_pool($urls) { $pool = new AsyncPool(); foreach ($urls as $url) { $pool->add(function () use ($url) { return $this->curl($url); }); } $pool->start(); }

удалить dom элемент

function remove(element) { element.remove(); } remove(document.getElementById('myDiv'));

только буквы и цифры и пробелы

$str = 'Привет, Мир! #hashtag только буквы и цифры и пробелы'; $str = preg_replace("/[^a-zA-ZА-Яа-я0-9\s]/u", '', $str);

найти team="10932" в json

"team":"10932"

строка начинается на б

/^b\w+/

curl asynchrone pool

$pool = new Pool(10, Client::class, [ 'base_uri' => 'https://example.org', ]); for ($i = 0; $i < 100; ++$i) { $pool->submit($this->getRequest('/something')); } $promise = $pool->promise(); $response = $promise->wait();

выбрать самый большой массив

function largestOfFour(arr) { return arr.map(Function.apply.bind(Math.max, null)); } largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);

preg match< / p >

function is_password_valid($password) { if (preg_match("/^(?=.*[A-Z])(?=.*[a-z])(?=.*\d)[a-zA-Z\d]{8,}$/",$password)) { echo "password valid"; } else { echo "password not valid"; } } is_password_valid("Password123");

domain age

$unixtime = 1348834400; echo date('Y-m-d H:i:s', $unixtime);

en месяцы

function enMonth($day, $month, $year) { $day = ($year % 4 == 0) ? $day: $day+1; $days = [31, $day, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; $enMonths = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; $d = 0; for ($i = 0; $i < count($days); $i++) { if ($month > $days[$i]) { $d += $days[$i]; } else { $d += $month; break; } } //echo $d . "<br>"; $m = 0; for ($i = 0; $m < $d; $i++) { $m += $days[$i]; }

find all tag a

/<a href="(.+?)">(.+?)<\/a>/

find all tag a

/<a.+?\/a>/g

replace in string

function replace(s, a, b){ let result = '' for(let i=0; i< s.length; i++){ if(s[i] == a){ s[i] = b } } return result }

fullname month ru

function month_name_rus($month) { $array = array( 'January' => 'Января', 'February' => 'Февраля', 'March' => 'Марта', 'April' => 'Апреля', 'May' => 'Мая', 'June' => 'Июня', 'July' => 'Июля', 'August' => 'Августа', 'September' => 'Сентября', 'October' => 'Октября', 'November' => 'Ноября', 'December' => 'Декабря' ); return $array[$month]; }

domain age

function domain_age($domain) { $domain = DateTime::createFromFormat('Y-m-d', substr($domain, -10)); return $domain->diff(new DateTime())->format('%y'); }

(\?(\w+=\w+&?)*)?

The ? at the end means that the group is optional. The group consists of key value pairs separated by an ampersand.

:capital replace to <span>:capital</span>

/:capital/g

set cookie

void setcookie("name", "value")

(\?(\w+=\w+&?)*)?

matches all URLs with query string in their paths.

detect web 2.0 in url

function web(a) { return a.toLowerCase().indexOf('web2.0') >= 0 } web('http://web2.0')

clock online

function clock() { console.log(new Date()); } setInterval(clock, 1000);

copy text

function copy(text){ return text } copy("text")

unix time today

function unix_time_today() { return strtotime('today midnight'); }

copy text

function copy(text) { return text } // or var copy = function(text){ return text }

svg to jpg

<?php function svgtojpg($svg) { $svg = urlencode($svg) return 'http://svg2jpg.com?svg=' . $svg } echo svgtojpg('<svg></svg>') ?>

find all tag a

html <a href="https://www.google.com">google</a>

preg match (< / p >)

/<\/?p>/

(\?(\w+=\w+&?)*)?

The regex matches all words that start with "hello".

only time

var today = new Date(); var hourNow = today.getHours(); var greeting; if (hourNow > 18) { greeting = 'Good evening!'; } else if (hourNow > 12) { greeting = 'Good afternoon!'; } else if (hourNow > 0) { greeting = 'Good morning!'; } else { greeting = 'Welcome!'; } document.write('<h3>' + greeting + '</h3>');

обрезать строку с конца

function truncate($string, $length) { $suffix = '...'; return (strlen($string) > $length) ? substr($string, 0, $length - strlen($suffix)) . $suffix : $string; } echo truncate('В настоящее время в мире широко распространено использование стандартных контейнеров предоставляемых языком C++. Они полезны для обработки объектов, не связанных между

replace last number

def replace_last_number(a): a = str(a) return int(a[:-1] + '0')

domain tdl

function get_domain($url) { $pieces = parse_url($url); $domain = isset($pieces['host']) ? $pieces['host'] : ''; if (preg_match('/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i', $domain, $regs)) { return $regs['domain']; } return false; } get_domain('http://www.google.com/a/b/c/d/e.html')

5 знаков после запятой

function formatNumber(number) { return number.toFixed(5) } formatNumber(1.2345)

personal hash

function get_personal_hash(name) { return name + ' ' + name } get_personal_hash('bob')

hide first 3 symbols

function hide_name($email) { return substr($email, 0, 3). "..."; } hide_name('johndoe@gmail.com')

shuffle string

function shuffleString($str){ $arr = str_split($str); shuffle($arr); return implode($arr); } shuffleString("hello");

domain age

$domain_age = 2019 - $domain_year

find all tag a

/<a[^>]*>/

each

function each(list, callback) { for (let i = 0; i < list.length; i++) { callback(list[i], i, list); } } each([1,2,3], (item, index, array) => console.log(item, index, array)) // 1 0 [1, 2, 3] 2 1 [1, 2, 3] 3 2 [1, 2, 3]

с заглавной буквы

function Test() { return 1 + 2; }

last 10 in array

$people = [ 'John Doe', 'Jane Doe', 'Joe Bloggs', 'Sophie Doe', 'John Doe', 'Jane Doe', 'Joe Bloggs', 'Sophie Doe', 'John Doe', 'Jane Doe', 'Joe Bloggs', 'Sophie Doe' ]; function last10($array) { return array_slice($array, -10); } last10($people);

day from two dates

function days_between($date1, $date2) { $tmp = DateTime::createFromFormat('Y-m-d', $date1); $start = $tmp->getTimestamp(); $tmp = DateTime::createFromFormat('Y-m-d', $date2); $end = $tmp->getTimestamp(); return round(($end - $start) / (60 * 60 * 24)); }

fullname month ru

function fullname_ru($first_name, $last_name) { $fullname = $first_name . ' ' . $last_name; return $fullname; } echo fullname_ru('Иван', 'Иванов'); // Иван Иванов

set cookie

function set_cookie() { }

gzencode and stream http archive

function gzip_and_stream_archive($archive_file_path) { if (file_exists($archive_file_path)) { if (function_exists('gzencode')) { $archive_size = filesize($archive_file_path); $fp = fopen($archive_file_path, 'r'); if ($fp) { // send gzipped archive header("Content-Encoding: gzip"); header("Content-Length: " . $archive_size); header("Content-Disposition: attachment; filename=backup.tar.gz"); print(gzencode(fread($fp, $archive_size))); fclose($fp); unlink($archive_file_path); return true; } } else { // send unencoded archive header("Content-Type: application/x-gzip"); header("Content-Length: " . filesize($archive_file_path)); header("

только цифры буквы и :

` /[0-9a-z:]/

find all tag a

/<a.*?.*?</a>/g

float to 5 symbolds

function floatTo5Symbols (number) { return Number.parseFloat(number).toFixed(5); } floatTo5Symbols (12.34567)

fullname month ru

<?php $month = array( '01' => 'января', '02' => 'февраля', '03' => 'марта', '04' => 'апреля', '05' => 'мая', '06' => 'июня', '07' => 'июля', '08' => 'августа', '09' => 'сентября', '10' => 'октября', '11' => 'ноября', '12' => 'декабря' ); ?>

заменить все кроме цифр

function(str){ return str.replace(/[^\d]/g, ""); }

Reply Keyboard Markup telegram

// Return a Small Keyboard function keyboard() { return array( 'keyboard' => array( array( 'Оплата', 'Перевод от админа' ), array( 'Данные пользователя' ), ), 'resize_keyboard' => true, 'one_time_keyboard' => true, ); }

обрезка массива

function array_slice_assoc(array &$array, $offset, $length = null, $preserve_keys = false) { $array = array_slice($array, $offset, $length, $preserve_keys); return $array; } $arr = array( 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4 ); $arr = array_slice_assoc($arr, 1); print_r($arr);

кроме спец символов

/[^!]+/

Valid characters: lowercase or uppercase Latin letters, numbers, period. Start of line: all available characters except period; Middle of line: all of the available characters except two or more dots in a row; End of line: all characters available except period; Min length: 5 characters, except dots; Max length: 15 characters;

return html with function

function add($a, $b) { return a + b; } return add(1, 2);

return gz archive

function gz($file) { return gzcompress(file_get_contents($file), 9); } gz("file.txt")

hide first 3 symbols

substr("12345", 3)

5 знаков после запятой

const toFixed = (value, precision) => { const power = Math.pow(10, precision || 0); return String(Math.round(value * power) / power); }; console.log(toFixed(0.123456789, 5)); // '0.12346' console.log(toFixed(0.123456789, 2)); // '0.12' console.log(toFixed(2.345, 2)); // '2.35' console.log(toFixed(2.355, 2)); // '2.35'

[.@](?=.{5,32}$)(?!.*__)(?!^(telegram|admin|support))[a-z][a-z0-9_]*[a-z0-9]$

/hello\w+/ The regex matches all words that start with "hello".

[A-Za-z0-9.]{5,}\/?(\?(\w+=\w+&?)*)?

The regex matches all words that start with "hello".

убрать родительский элемент

function removeParent(element) { element.parentNode.removeChild(element); }

после каждой цифры вставить случайную букву

function insert_letter($str) { $str = str_split($str); foreach($str as $chr) { echo $chr; echo chr(rand(97,122)); } } insert_letter('1234');

найти букву

/h\w+/

dimain age

function age($birthday) { $age = (time() - strtotime($birthday)) / 31556926; return floor($age); }

найти буквы

/\w/

диапазон от 100 до 10000

/1\d{2}|[2-9]\d{2}|[1-9]\d{3,4}/

search in array

function binarySearch(arr, target) { let start = 0 let end = arr.length - 1 while (start <= end) { const mid = Math.floor((start + end) / 2) if (arr[mid] === target) { return mid } else if (arr[mid] < target) { start = mid + 1 } else { end = mid - 1 } } return -1 }

return month text

function month($month_number): $month_dict = { 1: 'January', 2: 'February', 3: 'March', 4: 'April', 5: 'May', 6: 'June', 7: 'July', 8: 'August', 9: 'September', 10: 'October', 11: 'November', 12: 'December' } return $month_dict[$month_number] month(1)

each js

function add(a, b) { return a + b; } add(1, 2);

table to array

function tableToArray(table) { var tbl = []; $.each(table.tBodies[0].rows, function (i, row) { var theRow = []; theRow.push(row.cells[0].innerHTML + ' ' + row.cells[1].innerHTML); tbl[i] = theRow; }); return tbl; }

get last value from array

function get_last_item($array) { return array_pop($array); }

обратный процент

function reverse_percent($percent) { return (1 - ($percent / 100)); } $reverse_percent = reverse_percent(20);

get value onclick

function onClick(e) { Logger.log(e.values) }

domain age

function age($now, $birth) { return $now - $birth; } age(2020, 1994);

random float

function rand(){ return "random"; } rand()

timeout 10 button active

<button id="button">Click me</button> var button = document.getElementById("button"); function disableButton() { button.disabled = true; } setTimeout(disableButton, 10);

en месяцы склонения

function en(mounth) { if(mounth == '1'){ return 'January' } if(mounth == '2'){ return 'February' } if(mounth == '3'){ return 'March' } if(mounth == '4'){ return 'April' } if(mounth == '5'){ return 'May' } if(mounth == '6'){ return 'June' } if(mounth == '7'){ return 'July' } if(mounth == '8'){ return 'August' } if(mounth == '9'){ return 'September' } if(mounth == '10'){ return 'October' } if(mounth == '11'){ return 'November' } if(mounth == '

get url

const getUrl = (url) => { const request = new Request(url, { method: 'GET', cache: 'default' }); fetch(request).then(res => res.json()).then(res => console.log(res)); } getUrl('https://api.github.com/users/jacky99')

open and save json file

function readFile(filename, content) { fs.readFile(filename, function(err, data) { if (err) throw err; console.log('File saved!'); }); } function writeFile(filename, content) { fs.writeFile(filename, content, function(err) { if (err) throw err; console.log('File saved!'); }); }

обрезать число

function truncate(input, places) { if(input >= Math.pow(10, places)) { return input.toString().slice(0, -1 * places) + "." + input.toString().slice(-1 * places); } else { return input.toString(); } }

Math.max() callback

function max(a, b) => a > b ? a : b

fullname month ru

function getMonthName($a) { $array = [ 1 => 'январь', 2 => 'февраль', 3 => 'март', 4 => 'апрель', 5 => 'май', 6 => 'июнь', 7 => 'июль', 8 => 'август', 9 => 'сентябрь', 10 => 'октябрь', 11 => 'ноябрь', 12 => 'декабрь', ]; if (array_key_exists($a, $array)) { return $array[$a]; } return null; } getMonthName(1);

диапазон от 100 до 10000

/1\d{2}|[2-9]\d{3}|[1-9]\d{4}/

hide part ip adress

$ip = "255.255.255.0"; $ip_array = explode(".", $ip); echo $ip_array[0];

$_SERVER get code status

$_SERVER['REDIRECT_STATUS']

convert file to utf8

function convert_to_utf8_recursively($dat) { if (is_string($dat)) { return mb_convert_encoding($dat, 'UTF-8', 'UTF-8'); } elseif (is_array($dat)) { $ret = array(); foreach ($dat as $i => $d) $ret[ $i ] = convert_to_utf8_recursively($d); return $ret; } elseif (is_object($dat)) { foreach ($dat as $i => $d) $dat->$i = convert_to_utf8_recursively($d); return $dat; } else { return $dat; } }

done function async

function add(a, b) { return a + b; } add(1, 2)

обратный процент

<?php $percent = 5 / 100; $discount = $percent * $price; $discounted_price = $price - $discount; ?>

set time zone 0

function setTimezone0(targetDate) { return targetDate - (7 * 60 * 60 * 1000) - 3600000; }

if this text string

if (text === 'hello') { console.log('hello'); }

replace last symbols

<?php $str = 'abcdef'; $str = substr_replace($str, 'bob', -4, -1); echo $str; ?>

convert file to utf8

function convert_to_utf8($fileName) { $fileName = str_replace('/', '\\\\', $fileName); $encoding = mb_detect_encoding($fileName); if ($encoding != 'UTF-8') { if ($encoding == 'GB18030') { $encoding = 'GBK'; } echo 'The file is not utf8, encoding is ' . $encoding . '<br>'; $str = file_get_contents($fileName); $str = mb_convert_encoding($str, 'UTF-8', $encoding); file_put_contents($fileName, $str); } }

new Date() utc0

function todayUTC() { var date = new Date(); date.setHours(date.getHours() + 9); return date.toISOString().slice(0, 10); }

fullname month ru

<?php function fullname($month) { switch ($month) { case 1: return "Январь"; break; case 2: return "Февраль"; break; case 3: return "Март"; break; case 4: return "Апрель"; break; case 5: return "Май"; break; case 6: return "Июнь"; break; case 7: return "Июль"; break; case 8: return "Август"; break; case 9: return "Сентябрь"; break; case 10: return "Октябрь"; break; case 11: return "Ноябрь";

Valid characters: lowercase or uppercase Latin letters, numbers, period. Start of line: all available characters except period; Middle of line: all of the available characters except two or more dots in a row; End of line: all characters available except period; Min length: 5 characters, except dots; Max length: 15 characters;

/^(?!.*\.{2})[a-zA-Z0-9.]{5,15}$/

time online

var time = function() { console.log('hello world') }

return html with function

function myFunction($name="Default") { return "Hello World" . $name; } myFunction("John");

обрезать строку

function chop_off(string, n) { return string.substring(0, n); } chop_off("hello world", 5);

get tdl with domain

function get_tld($domain) { if (preg_match("/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i", $domain, $matches)) return $matches['domain']; return ''; }

gzencode return archive

<?php function gzencode($data, $mode = 9, $encoding_mode = FORCE_GZIP) { $flags = 0; if ($mode != $mode) { $flags += 1; } if ($encoding_mode == FORCE_GZIP) { $flags += 2; } if (function_exists("gzencode")) { return gzencode($data, $mode, $flags); } return $data; } ?>

уникализация массива

function unique(arr) { var result = []; for (var str of arr) { if (!result.includes(str)) { result.push(str); } } return result; } var strings = ["кришна", "кришна", "харе", "харе", "харе", "харе", "кришна", "кришна", ":-O" ]; alert( unique(strings) ); // кришна, харе, :-O

Valid characters: lowercase or uppercase Latin letters, numbers, period. Start of line: all available characters except period; Middle of line: all of the available characters except two or more dots in a row; End of line: all characters available except period; Min length: 5 characters, except dots; Max length: 15 characters;

/^[^.](?:(?!\.)[\w.])*$/

Valid characters: lowercase or uppercase Latin letters, numbers, period. Start of line: all available characters except period; Middle of line: all of the available characters except two or more dots in a row; End of line: all characters available except period; Min length: 5 characters, except dots; Max length: 15 characters;

/^[a-zA-Z0-9]([a-zA-Z0-9\.]{0,13}[a-zA-Z0-9])$/

css сумма без дробных

div{ width: calc(100% - 20px); }

find tag a with href

/<a href="#">([a-z]+)</a>/

svg to jpg

<?php $svg = <<< EOT ... ... ... EOT; $svg = file_get_contents('https://cdn3.iconfinder.com/data/icons/google-material-design-icons/48/ic_announcement_48px.svg'); $im = new Imagick(); $im->setBackgroundColor(new ImagickPixel('transparent')); $im->readImageBlob($svg); $im->setImageFormat("jpg"); $im->writeImage('image.jpg'); ?>

get last key

$name = array('first' => 'Jack', 'last' => 'Bauer'); function get_last_key($arr){ end($arr); return key($arr); } get_last_key($name);

find all hrefs

javascript /href='\S+'/

return xml gz archive

function get_xml(){ $xml_doc = new DOMDocument(); $xml_doc->load("http://api.openweathermap.org/data/2.5/weather?q=London,uk&appid=2de143494c0b295cca9337e1e96b00e0"); $xml_string = $xml_doc->saveXML(); $filename = "xml_" . time(); $gzfilename = $filename . ".gz"; $fp = fopen($gzfilename, "w"); fwrite($fp, $xml_string); fclose($fp); $fd = fopen ($gzfilename, "r"); header("Content-Type: application/x-gzip"); header("Content-Disposition: attachment; filename=\"".$gzfilename."\""); fpassthru($fd); unlink($gzfilename); }

return gz archive

$gz = gzencode($string, 9); $filename = 'compressed.gz'; header("Content-Encoding: gzip"); header("Content-Length: ".strlen($gz)); header("Content-Disposition: attachment; filename=$filename"); header("Content-Type: text/plain"); echo $gz;

replace last number

<?php $str = "12345678"; echo substr_replace($str, "0", -1); ?>

5 знаков после запятой

function f(n) { return parseFloat(n.toFixed(5)) }

1000,00000

/([1-9][\d]{0,2}(,\d{3})+(\.\d+)?)|([1-9]\d*(\.\d+)?)/

массив из дат месяца

function getDaysInMonth(month, year) { return new Date(year, month, 0).getDate(); } getDaysInMonth(1, 2020)

gzencode and stream http archive

function stream_curl_gzencoded($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_ENCODING, 'gzip'); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); $result = curl_exec($ch); curl_close($ch); return $result; }

gzencode and stream http archive

<?php function gzencode_and_stream_http_archive() { function get_current_url() { $pageURL = 'http'; if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") { $pageURL .= "s"; } $pageURL .= "://"; if ($_SERVER["SERVER_PORT"] != "80") { $pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"]; } else { $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"]; } return $pageURL; } $url = get_current_url(); header("Content-Type: application/x-gzip"); header("Content-Disposition: attachment; filename=web.archive"); $curl = curl_init(); curl_

parse csv

$csv = '"1","2","3","4"'; $csv_data = str_getcsv($csv);

float to 5 symbolds

<?php number_format(1.11, 2); ?>

date to text

function date_to_text(date) { return date.toLocaleDateString( "en-US", { year: "numeric", month: "short", day: "numeric" } ); }

(?=.{5,32}$)(?!.*__)(?!^(telegram|admin|support))[a-z][a-z0-9_]*[a-z0-9]$

## What is the difference between the following: `/t[eE]st/` `/t[eE][sS][tT]/` `/t[eE]st/` will match "test", "Test", "TEst", etc. `/t[eE][sS][tT]/` will match "test", "TeS", "TEST", etc. ## What is the difference between the following:

convert file to utf8

function convert_to_utf8_recursively($dat) { if (is_string($dat)) return utf8_encode($dat); if (!is_array($dat)) return $dat; $ret = []; foreach ($dat as $i => $d) $ret[$i] = self::convert_to_utf8_recursively($d); return $ret; }

generate gz archive

function tar_gz($source, $destination) { if (extension_loaded('zlib')) { if (is_file($source)) { $file = basename($source); $source = dirname($source); } else { $file = basename($destination); $source = $source; } if (!file_exists("$destination/$file.gz")) { $destination = dirname($destination); if (!extension_loaded('zlib')) { return false; } $archive = new PharData("$source/$file"); $archive->compress(Phar::GZ); unset($archive); rename("$source/$file.gz", "$destination/$file.gz"); return "$destination/$file.gz"; } } return false; }

сумма от суммы в процентах

function add(a, b) { return a + b } add(1, 2)

5 знаков после запятой

let x = 9.656; console.log(x.toFixed(5)); // expected output: "9.65600"

return month text

def month(i): months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ] return months[i] month(4)

done

function add(a, b) { return a + b; } add(1, 2);

после каждой цифры вставить случайную букву

function random(a) { a = '$a' .map((v, i) => (i % 2 == 0) ? v: v + String.fromCharCode(97 + Math.floor(Math.random() * 26)), '') return a; } random(123)

первая буква заглавная

function capitalize(str) { return str.charAt(0).toUpperCase() + str.slice(1); } capitalize('hello') // Hello

pack to gz and return archive

function archive($archive_name, $file_name) { $arch = gzencode($file_name, 9); file_put_contents($archive_name, $arch); return $archive_name; } archive('archive.gz', 'file.txt');

replace firts 5 symbols

function cut_string($s) { return $s.length > 5 ? substr($s, 0, 5) : $s; } cut_string('abcdefghijklm')

в строчные

const str = "ПРИВЕТ ВСЕМ!" const lower = str.toLowerCase(); alert(lower);

случайное дробное число

function random_float ($min,$max) { return ($min+lcg_value()*(abs($max-$min))); } random_float(0,1)

timeout 10 button active

function timeout(ms) { return new Promise((resolve) => setTimeout(resolve, ms)); } async function asyncPrint(value, ms) { await timeout(ms); console.log(value); } asyncPrint('hello world', 5000);

curl asynchrone pool

<?php $url = 'https://www.google.com'; $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_TIMEOUT, 30); curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); $result = curl_exec($curl); curl_close($curl); echo $result; ?>

convert file to utf8

function char_utf8($str) { $cstr = iconv( "gb2312", "utf-8", $str ); return $cstr; }

domain age

<?php function domain_age($domain) { // TODO: return the age of the domain in years $whois = "whois $domain"; $txt = shell_exec($whois); $start = explode("Creation Date: ", $txt); $end = explode("\n", $start[1]); $date = $end[0]; $date_array = explode("/", $date); $year = $date_array[2]; $current_year = date("Y"); $age = $current_year - $year; return $age; } echo domain_age("google.com"); // returns "18" echo domain_age("bbc.co.uk"); // returns "28" echo domain_age("github.com"); // returns "9" echo domain_age("facebook.com"); // returns "13"

domain tdl

function tld($domain) { $pieces = explode('.', $domain); $tld = array_pop($pieces); return $tld; } tld('www.example.com');

get page html

function getPageHTML(url) { return fetch(url).then(response => response.text()) }

set time zone 0

function setTimeZone(0) { return 0 }

preg match "languagesList current"

/languagesList current/

search in array

function search(array, value) { for(var i=0; i<array.length; i++) { if(array[i] == value) { return i; } } return -1 }

$_SERVER get code status

function getStatusCode($url) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_NOBODY, TRUE); // remove body curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE); $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); return $status; }

random float

function getRandom(): float { return random_float(); }

валидация текста в форме

/^[a-zA-Z0-9]{6,15}$/

get domain whith subdomain

function get_domain_name($url) { $pieces = parse_url($url); $domain = isset($pieces['host']) ? $pieces['host'] : ''; if (preg_match('/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i', $domain, $regs)) { return $regs['domain']; } return false; }

четные и нечетные числа проверка

function oddEven(a){ if( a % 2 == 0){ return "even"; } else{ return "odd"; } } oddEven(3);

5 знаков после запятой

function getFloat(number, precision) { if(precision === undefined) { precision = 2; } return number.toFixed(precision); } getFloat(1.123456); // 1.12 getFloat(1.123456, 3); // 1.123

personal hash

function hash_password($password){ $salt = "007"; $hash_password = md5($salt . $password); return $hash_password; }

get tdl with domain

function get_tdl($domain) { return strstr($domain, '.'); } get_tdl('www.google.com');

get last key

function get_last($array) { return $array[count($array) - 1]; } get_last(['a', 'b', 'c'])

изменить имена у файлов

$files = glob('*.txt'); foreach($files as $file) { $newname = str_replace('txt', 'md', $file); rename($file, $newname); }

сколько число составляет процентов от числа

function percentOf($num, $percent, $round = null) { if ($round === null) { $round = 0; } return round($num * $percent / 100, $round); }

time online

var hh = 0; var mm = 0; var ss = 0; var start = false; var timerInterval = null; function startTimer() { if (start === false) { start = true; timerInterval = setInterval(function() { ss++; if (ss === 60) { mm++; ss = 0; } if (mm === 60) { hh++; mm = 0; } var newTime = (hh < 10 ? '0' + hh : hh) + ':' + (mm < 10 ? '0' + mm : mm) + ':' + (ss < 10 ? '0' + ss : ss); document.querySelector('.timer').innerHTML = newTime; }, 1000); } } function stopTimer() { if (start === true) { start = false; clearInterval(timerInterval); } } function resetTimer() { stopTimer(); hh

сумма от суммы в процентах

function percent(a, b): return a + b/100 percent(100, 10)

random float

random.random()

instagramm login

/^(?!.*\.\.)(?!.*\.$)[^\W][\w.]{0,29}$/

сумма без дробных

.container { width: calc(100% - 10px); height: calc(100% - 10px); }

personal hash

function hash(input): return input

Math.max() callback

function max(a, b) { return a > b ? a : b; }

оставить только точки и цифры

/(\d+\.\d+)|\d+/

return html with function

<?php function input($name) { return "<input name='" . $name . "'>"; } echo input('username'); // <input name='username'> ?>

clock online

function clock() { var now = new Date(); var ctx = document.getElementById('clock').getContext('2d'); ctx.save(); ctx.clearRect(0,0,150,150); ctx.translate(75,75); ctx.scale(0.4,0.4); ctx.rotate(-Math.PI/2); ctx.strokeStyle = "black"; ctx.fillStyle = "white"; ctx.lineWidth = 8; ctx.lineCap = "round"; // Hour marks ctx.save(); for (var i=0;i<12;i++){ ctx.beginPath(); ctx.rotate(Math.PI/6); ctx.moveTo(100,0); ctx.lineTo(120,0); ctx.stroke(); } ctx.restore(); // Minute marks ctx.save(); ctx.line

generate phrase

function generatePhrase($a, $b, $c) { $phrase = "$a $b $c"; return $phrase; } $phrase = generatePhrase("nice", "to", "meet you"); echo $phrase;

заменить первые 3 символа

'string'.replace(/^.../, 'foo');

set time zone 0

var time = new Date().getHours() if (time < 10) { document.write("Good morning") } else if (time < 20) { document.write("Good day") } else { document.write("Good evening") }

диапазон от 100 до 10000

/1[0-9]{2}|2[0-4][0-9]|25[0-5]|[1-9]?[0-9]/

$_SERVER get code status

http_response_code(404);

find <a href ="yandex.ru">Yandex.ru</a> with html

/<a.+?href="(.+?)".*?>(.+?)<\/a>/

выбрать и вернуть самый большой массив

function find_longest_word($a) { $longest_word = ''; foreach($a as $word) { if(strlen($word) > strlen($longest_word)) { $longest_word = $word; } } return $longest_word; }

random float

rand()

hide firts 5 symbols

function hide_symbols($text) { return substr($text, 5); } hide_symbols('Hello world'); // output: world

random float

function random_float ($min,$max) { return ($min+lcg_value()*(abs($max-$min))); }

getMonth() + 1

function getNextMonth(){ var today = new Date(); return today.getMonth() + 1; } getNextMonth()

только цифры буквы и :

/[0-9a-z:]/

clock online

function clock() { return new Date().toLocaleString(); } clock();

1000,00000

/[0-9]{2,}/

curl asynchrone pool

<?php $urls = array( 'http://www.example.com', 'http://www.example.com/foo/bar', 'http://www.example.com/baz/qux', ); $multi = curl_multi_init(); $handles = array(); foreach ($urls as $key => $url) { $handles[$key] = curl_init($url); curl_setopt($handles[$key], CURLOPT_RETURNTRANSFER, true); curl_multi_add_handle($multi, $handles[$key]); } $running = null; do { curl_multi_exec($multi, $running); } while ($running); foreach ($handles as $key => $handle) { $results[$key] = curl_multi_getcontent($handle); curl_multi_remove_handle($multi, $handle); } curl_multi_close($multi)

gzencode and stream http archive

function gzencode_http_zip($gzdata){ $gzsize = strlen($gzdata); $gzcrc = crc32($gzdata); $gzdata = gzcompress($gzdata,9); $gzdata = substr($gzdata,0,strlen($gzdata)-4); $rawdata = "\x1f\x8b\x08\x00\x00\x00\x00\x00".$gzdata."\x00\xff\xff".pack('V',$gzcrc).pack('V',$gzsize); return $rawdata; }

curl asynchrone

function curl_asynchrone($url, $post=array(), $cookie=array()) { $result = array( "response" => "", "http_code" => "", "header_size" => "", "request_size" => "", "filetime" => "", "ssl_verify_result" => "", "redirect_count" => "", "total_time" => "", "namelookup_time" => "", "connect_time" => "", "pretransfer_time" => "", "size_upload" => "", "size_download" => "", "speed_download" => "", "speed_upload" => "", "download_content_length" => "", "upload_content_length" => "", "starttransfer_time" => "", "redirect_time" => "", "error" => "", ); $ch = curl_

get request code status

function get_status_code($url){ $str = file_get_contents($url); if(strlen($str)>0){ preg_match('/http_code:(\d+)/', $str, $matches); return $matches[1]; } return false; }

сколько число составляет процентов от числа

function percent( $number, $percent ) { return $percent * $number / 100; } percent( 100, 10 );

добавить значение в массив

$fruits = ['a' => 'apple', 'b' => 'banana']; array_push($fruits, 'orange'); print_r($fruits);

get url

function getURL(url) { const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest; var xmlhttp = new XMLHttpRequest(); xmlhttp.open("GET", url, false); xmlhttp.send(null); return xmlhttp.responseText }

replace firts 5 symbols

function change_message($message){ $new_message = substr_replace($message, 'Hello', 0, 5); return $new_message; } change_message('Goodbye');

find all hrefs

/href\s*=\s*"(.*?)"/

get tdl with domain

function getTDL($url){ return substr_replace(parse_url($url)["host"], ".", strrpos(parse_url($url)["host"], '.'), 1); }

сколько процентов от суммы

function percent($percent, $sum){ return $percent *$sum/100; } percent(10, 500);

pack to gz and return archive

function pack_gz($data) { $gzdata = gzencode($data, 9); return $gzdata; } $data = file_get_contents('sample.txt'); $gzdata = pack_gz($data);

random float

rand(1, 100)

get tdl with domain

<?php $domains = array('apple.com', 'google.com', 'microsoft.com'); if (in_array($_GET['domain'], $domains)) { echo "found"; } else { echo "not found"; } ?>

ftp_put

function ftp_put($source, $destination, $mode = FTP_ASCII, $context = null) { return ftp_put($this->connection, $destination, $source, $mode, $context); }

ftp_put

function ftp_put($server, $filepath, $remotepath, $username, $password) { // add code here } ftp_put('ftp.example.com', '/local/filename', '/public_html/filename', 'username', 'password');

get tdl with domain

function tdl($domain) { return 'https://' . $domain . '.tld' } tdl('google')

зеленый круг превращается в овал

.container { width: 100px; height: 100px; border-radius: 50%; background-color: green; transition: 1s; } .container:hover { border-radius: 0; }

найти < t / >

/<t\/>/

domain age

function domain_age($domain) { // your code }

последние 1000 массив

function last1000() { $arr = array(); $len = count($arr); for ($i = $len-1; $i > $len-1001; $i--) { $arr[] = $arr[$i]; } return $arr; }

preg match "languagesList current"

/languagesList\s+current/

instagramm login

/^\w{5,}$/

get page html

var http = require('http'); var options = { host: 'www.google.com', port: 80, path: '/' }; http.get(options, function(res) { console.log("Got response: " + res.statusCode); }).on('error', function(e) { console.log("Got error: " + e.message); });

new Date() utc0

function get_utc_datetime() { return new Date().toISOString().substr(0,19).replace('T',' ' ); } console.log(get_utc_datetime());

1000,00000

/\d{4},\d{6}/

новый массив по ключу из другого многомерного массива

<?php function filterByKey($array, $keyName) { $result = []; foreach ($array as $item) { if (isset($item[$keyName])) { $result[] = $item[$keyName]; } } return array_unique($result); } $array = [ ['product_id' => 'xxxx', 'name' => 'iphone'], ['product_id' => 'yyyy', 'name' => 'samsung'], ['product_id' => 'xxxx', 'name' => 'iphone'], ]; $result = filterByKey($array, 'product_id'); print_r($result);

5 знаков после запятой

function fiveRound(num) { return parseFloat(num.toFixed(5)); } fiveRound(1.234567)

обрезка массива

<?php $number = trim(fgets(STDIN)); $arr = explode(' ', $number); echo implode(' ', array_slice($arr, 1, -1)); ?>

выбрать самый большой массив

$max = function(...$arrays) { return max(array_map('max', $arrays)); }; $max([1, 2, 3], [1, 1, 1], [1, 1, 1, 1]); // 4

максимальное значение в многомерном массиве

function max(matrix) { return matrix.reduce((max, row) => { return Math.max(max, row.reduce((max, value) => Math.max(max, value), 0)); }, 0); } max([[1,2,3], [4,5,6], [7,8,9]]);

find all hrefs

/href\s*=\s*(['"]?)([^'" >]+)\1/

first uppercase

function firstUpper(str) { return str[0].toUpperCase() + str.slice(1); }

с заглавной буквы

function Add(a, b) { return a + b; } Add(1, 2)

pregmatch array in string

function preg_match_array(str, arr){ arr.forEach(function(item){ console.log(item, str.match(item)); }); } preg_match_array("string", ["/^s/", "/r/"]);

copy text

function copy(text) { return text } copy("hello world!")

unix time today

<?php date_default_timezone_set("America/New_York"); echo date("U"); ?>

find max array

var arr = [1, 2, 3]; function max(arr){ return Math.max.apply(null, arr); } max(arr);

валидация логина

function validLogin(login) { return /^[a-zA-Z][a-zA-Z0-9-_\.]{1,20}$/.test(login); } validLogin('eee'); // true validLogin('eee#'); // false validLogin('eee@'); // false validLogin('eee1'); // true validLogin('eee1#'); // false validLogin('eee1@'); // false validLogin('eee1.'); // true validLogin('eee1.e'); // true validLogin('eee1.eee'); // true validLogin('eee1.eee1'); // true validLogin('eee1.eee1.'); // true validLogin('eee1.eee1.e'); // true validLogin('eee1.eee1.eee'); // false validLogin('eee1.eee1.eee1'); // false validLogin('eee1.eee1.eee1.'); // false validLogin('eee

gzencode and save archive

$gz_file = gzencode ( $file_contents , 9 , FORCE_GZIP ) ; file_put_contents ( $gz_file_name , $gz_file ) ;

5 знаков после запятой

function round(value) { return Number(Math.round(value+'e'+5)+'e-'+5); }

table td to array

function toArray(tds) { let arr = []; for (let i = 0; i < tds.length; i++) { arr[i] = tds.item(i).innerText; } return arr; }

первая буква заглавная

function capitalize(str) { return str.charAt(0).toUpperCase() + str.slice(1); } capitalize('fooBar')

новый массив по ключу из другого многомерного массива

function getUsers(data, key) { return data.map(function(user) { return user[key]; }); }

максимальное значение в многомерном массиве

def max_value(my_list): max_ = my_list[0][0] for i in range(len(my_list)): for j in range(len(my_list[i])): if my_list[i][j] > max_: max_ = my_list[i][j] return max_ max_value([[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]])

pack to gz and return archive

<?php function pack_to_gz($filename) { $data = file_get_contents($filename); return gzcompress($data, 9); } ?>

5 знаков после запятой

function roundToFive(input) { return Math.round(input * 100000) / 100000; }

preg match "languagesList current"

/\w+?(languagesList) \w+?(current)/

[A-Za-z0-9.]{5,}\/?(\?(\w+=\w+&?)*)?

The regex matches all words that start with "hello".

зеленый круг превращается в овал

width:100px; height:100px; border:1px solid black; border-radius:50%; background:green; transition:2s;

/\B@[a-z0-9_-]+/g

The regex matches all twitter usernames, the @ is not a word boundary, so the @ is required to be matched before the username. The character class [a-z0-9_-] matches all letters, numbers and underscores. The + is a quantifier which means "one or more of the preceding character". The g modifier means "global", so the regex will find all matches.

gzencode return archive

function gzencode($data, $level) { // ..... }

pack to gz and return archive

$data = 'Compress me'; $gz = gzcompress($data, 9); echo $gz;

русские месяцы склонения

public static function getRusMonths( $year, $type = false ) { $months = array( '01' => 'января', '02' => 'февраля', '03' => 'марта', '04' => 'апреля', '05' => 'мая', '06' => 'июня', '07' => 'июля', '08' => 'августа', '09' => 'сентября', '10' => 'октября', '11' => 'ноября', '12' => 'декабря' ); $result = array(); if ( $type ) { foreach( $months as $key=>$value ) { $result[$key] = self::getRusMonth(

сколько число от числа процентов

def percent(num1, num2): return num1 * num2 / 100

первая буква заглавная

function FirstLetterToUpper(string) { return string.charAt(0).toUpperCase() + string.slice(1); } FirstLetterToUpper('some text')

текущий месяц номер

function getMonthNumber(monthName) { if (monthName === 'January') { return 1; } else if (monthName === 'February') { return 2; } else if (monthName === 'March') { return 3; } else if (monthName === 'April') { return 4; } else if (monthName === 'May') { return 5; } else if (monthName === 'June') { return 6; } else if (monthName === 'July') { return 7; } else if (monthName === 'August') { return 8; } else if (monthName === 'September') { return 9; } else if (monthName === 'October') { return 10; } else if (monthName === 'November') { return 11; } else if (monthName === 'December') { return 12; } }

curl asynchrone pool

//curl asynchronous pool $pool = new CurlPool($max_requests = 10); foreach (range(1, 100) as $index) { $url = "https://www.google.com/$index"; $pool->request($url, function ($content) use ($url) { echo "Loaded $url \n"; }); } $pool->finish();

найти team="10932" в json

/team="(\d+)"/

Math.max() in object from key

Math.max.apply(null, [1,2,3])

personal hash

<?php function personal_hash($string){ $hash = null; $key = "a1b2c3d4"; for ($i = 0; $i < strlen($string); ++$i) { $hash .= $string[$i] . $key[$i]; } return $hash; } ?>

svg to jpg

$(window).load(function(){ $("#svgid").change(function(){ $.ajax({ type: "POST", url: "svgimg.php", data: {data : $("#svgid").val() } }) }); });

найти буквы

/\w/

parse csv

curl asynchrone pool

function curl($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $output = curl_exec($ch); curl_close($ch); return $output; } $urls = array( 'http://www.example.com', 'http://www.example.co.uk', 'http://www.example.com.br', 'http://www.example.ru', 'http://www.example.es', ); $pool = new Pool(10); foreach ($urls as $url) { $pool->submit(new CurlTask($url)); } $pool->shutdown();

максимальна длинна строки

max-width: 100px

get last value from array

function get_last($array) { return count($array) ? $array[count($array) - 1] : null; }

return gz

function gz() { return 'gz'; }

get value onclick

function getValue(elem){ console.log(elem.value) }

fullname month ru

def ru_month(month): return { 'January': 'январь', 'February': 'февраль', 'March': 'март', 'April': 'апрель', 'May': 'май', 'June': 'июнь', 'July': 'июль', 'August': 'август', 'September': 'сентябрь', 'October': 'октябрь', 'November': 'ноябрь', 'December': 'декабрь' }[month] def fullname(first, last, month): return f"{first} {last} {ru_month(month)}" fullname('Peter', 'Parker', 'May')

return xml gz archive

function get_xml_archive($target) { $xml = get_remote_data($target); $file_name = tempnam(sys_get_temp_dir(), 'xml'); file_put_contents($file_name, gzencode($xml)); return $file_name; }

заменить все кроме цифр

function removeNonNumbers(str) { return str.replace(/\D/g,''); }

Math.max() by key

function max(numbers) { var currentMax = numbers[0]; for(var i = 0; i < numbers.length; i++) { if (numbers[i] > currentMax) { currentMax = numbers[i]; } } return currentMax; } max([1, 4, 2])

find tag a with href

/<a href="(.+?)"/

01 to 1

function bin2dec($str) { $str_ary = str_split($str); $result = 0; foreach ($str_ary as $key => $value) { $result += $value * pow(2, (count($str_ary) - 1 - $key)); } return $result; } echo(bin2dec(110101));

pack to gz and return archive

function pack_to_gz($filename) { $input = file_get_contents($filename); $gzdata = gzencode($input, 9); return $gzdata; } $gzdata = pack_to_gz("file.txt");

uuid personal

function uuid($personal=false){ if (!$personal) { $uuid = random_bytes(16); } else { $uuid = md5(uniqid().$personal, true); } $uuid[6] = chr(ord($uuid[6]) & 0x0f | 0x40); $uuid[8] = chr(ord($uuid[8]) & 0x3f | 0x80); return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($uuid), 4)); } uuid('admin');

обрезка массива

function cutTheArray($array, $start, $length = null) { $count = count($array); if($start < 0) { $start = $count + $start; } if($length !== null) { if($length < 0) { $length = $count - $start + $length; } return array_slice($array, $start, $length); } else { return array_slice($array, $start); } } cutTheArray([1, 2, 3, 4, 5, 6], 2, 1); // [3] cutTheArray([1, 2, 3, 4, 5, 6], 0, 3); // [1, 2, 3] cutTheArray([1, 2, 3, 4, 5, 6], -2); // [5, 6]

new Date() utc0

function getDate() { const date = new Date(); return date.getFullYear() + '-' + date.getMonth() + '-' + date.getDay(); }

unix time today

$time = time();

done function async

function add(a, b, callback) { return callback(a + b) } add(1, 2, console.log) // 3

оставить только точки и цифры

const str = 'some string'; const result = str.replace(/[^0-9.]+/g, '');

replace in string

function replaceInString(str, index, replacement) { return str.substr(0, index) + replacement+ str.substr(index + replacement.length); }

get name day to date

const getDay = (date) => { const days = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'] return days[date.getDay()] } getDay(new Date(2020, 10, 16))

get last 100 lines in doc

$lines = file('php://stdin'); $last_lines = array_slice($lines, -100);

pack to gz and return archive file download

function pack($dir){ $dir = realpath($dir); $phar = new PharData($dir.'.tar'); $phar->buildFromDirectory($dir); $phar->compress(Phar::GZ); header('Content-Type: application/x-gzip'); header('Content-Disposition: attachment; filename="'.pathinfo($dir.'.tar.gz', PATHINFO_BASENAME).'"'); echo file_get_contents($dir.'.tar.gz'); }

return xml gz archive

<?php function xml_gz_archive() { $api = new Api(); $xml = $api->getXml(); $gzfile = gzopen($xml, 'w9'); gzwrite($gzfile, $xml); gzclose($gzfile); return $gzfile; }

new Date

function newDate(){ return new Date(); } newDate();

find < / p >

<?php function add($a, $b) { return $a + $b; } ?>

domain age

<?php $age = 18; if ($age >= 18) { echo "<p>You are old enough to drive!</p>"; } elseif ($age > 16) { echo "<p>You can drive!</p>"; } else { echo "<p>You are not old enough to drive...</p>"; }

русские месяцы склонения

function month($nom, $padezh) { $monat = array('Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь', 'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь'); $monat_rod = array('Января', 'Февраля', 'Марта', 'Апреля', 'Мая', 'Июня', 'Июля', 'Августа', 'Сентября', 'Октября', 'Ноября', 'Дека

pack to gz and return archive file download

function pack_and_download($file){ $filename = $file->getClientOriginalName(); $tmpFile = tempnam(sys_get_temp_dir(), 'data'); $tmpFileHandle = fopen($tmpFile, 'w'); fwrite($tmpFileHandle, $file->get()); fclose($tmpFileHandle); $outputFile = tempnam(sys_get_temp_dir(), 'data') . ".gz"; $fp = gzopen($outputFile, 'wb9'); gzwrite($fp, file_get_contents($tmpFile)); gzclose($fp); $response = new Response(file_get_contents($outputFile), 200); $response->header('Content-Type', 'application/x-gzip'); $response->header('Content-Disposition', 'attachment; filename=' . $filename . '.gz'); return $response; }

domain age

function domain_age($domain) { $whois = new Whois(); $whois_result = $whois->lookup($domain); $registered = $whois_result->createdDate; $now = new DateTime(); $diff = $now->diff($registered); return $diff->y; }

get last 5 symbols

function last5($str) { if (strlen($str) > 5) { return substr($str, -5); } else { return $str; } } last5('123456')

ссылка или домен

(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w\.-]*)*\/?

preg match "languagesList current"

/\blanguagesList\s+current\b/

hide part ip adress

function hide_ip($ip){ $arr = explode('.', $ip); $arr[2] = $arr[3] = 'X'; return implode('.', $arr); } hide_ip('202.202.202.202')

timeout 10 button active

// Button <button>Click Me!</button> // Javascript var button = document.querySelector("button"); button.addEventListener("click", function(e) { button.style.background = "blue"; });

наполнить объект в цикле

function fill(obj, value) { for (var i = 0; i < obj.length; i++) obj[i] = value; } var a = [1,2,3] fill(a, 1)

русские месяцы склонения

function get_months($number, $case, $sex) { $numbers = explode('-', $number); $result = array(); foreach ($numbers as $number) { $result[] = get_month($number, $case, $sex); } return implode('-', $result); } function get_month($number, $case, $sex) { $months = array( 1 => array('январь', 'января', 'январе'), 2 => array('февраль', 'февраля', 'феврале'), 3 => array('март', 'марта', 'марте'), 4 => array('апрель', 'апреля', 'апреле'), 5 => array('май', 'мая',

найти буквы

/[a-z]/

replace firts 5 symbols

function replacer($str) { $str = str_replace('-', '/', $str); return $str; }

get location url

function getUrl(key) { let url = window.location.href let urlList = url.split('?')[1].split('&') for (let i in urlList) { if (urlList[i].split('=')[0] === key) { return urlList[i].split('=')[1] } } return undefined }

криптовалютный счет

/\d{10,}/

team="10932"

team="\d+"

5 знаков после запятой

function f(x) { return Number(Math.round(x+'e5')+'e-5'); }

после каждой цифры вставить случайную букву

function insert_letter_after_every_digit($string) { $result = ''; for($i = 0; $i < strlen($string); $i++) { $result .= $string[$i]; if(is_numeric($string[$i])) { $result .= chr(rand(65, 90)); } } return $result; } insert_letter_after_every_digit('1234');

gzencode and stream http archive

function stream_gzencode($data) { $size = strlen($data); $crc = crc32($data); $data = gzencode($data, 9); $data = substr($data, 0, -4); echo "\x1f\x8b\x08\x00\x00\x00\x00\x00"; echo $data; echo pack('V', $crc); echo pack('V', $size); } stream_gzencode(file_get_contents('http://example.com/'));

float

function toNumber(a) { return parseFloat(a) } toNumber('1.2')

все кроме цифр

/[^\d]+/

table to array

function tableToArray (table) { var rows = table.rows; var cols = table.rows[0].cells.length; var rowArray = []; var rowData = []; var cellData = []; for (var i = 0; i < rows.length; i++) { rowData = []; for (var j = 0; j < cols; j++) { rowData.push(rows[i].cells[j].innerHTML); } rowArray.push(rowData); } return rowArray; }

обратный процент

function percent($value, $percent) { $res = $value * $percent / 100; return $res; }

en месяцы склонения

function getMonthName($monthNumber) { $months = array( 1 => 'января', 2 => 'февраля', 3 => 'марта', 4 => 'апреля', 5 => 'мая', 6 => 'июня', 7 => 'июля', 8 => 'августа', 9 => 'сентября', 10 => 'октября', 11 => 'ноября', 12 => 'декабря' ); return $monthNumber > 0 && $monthNumber < 13 ? $months[$monthNumber] : null; }

найти < / t >

/<\s*\/\s*t\s*>/

timeout counter

var timeout = function(counter) { if (counter > 0) { setTimeout(function() { console.log(counter); timeout(counter - 1); }, 1000); } }; timeout(5);

open and save jaon

var obj = {name: "John", age: 30, city: "New York"}; var myJSON = JSON.stringify(obj); localStorage.setItem("testJSON", myJSON);

найти класс div

/<div\s*class=".*"\s*>/g

replace in string

function replace(str, a, b) { return str.replace(a, b); } replace("Hello world", "world", "seattle")

preg match (< / p >)

preg_match('/(<\/p>)/', $text)

replace last symbols

function replaceLast($str, $from, $to) { $pos = strrpos($str, $from); if($pos !== false) { $str = substr_replace($str, $to, $pos, strlen($from)); } return $str; }

(?=.{5,32}$)(?!.*__)(?!^(telegram|admin|support))[a-z][a-z0-9_]*[a-z0-9]$

Matches username that is between 5 and 32 characters. Starts with lowercase character. Can contain lowercase characters, numbers and underscores. Can't contain spaces, underscores and hyphens. Can't start with "telegram", "admin" or "support". Ends with lowercase character or a number.

обрезать строку с конца

function cut_string($s, $length) { return substr($s, 0, $length); } echo cut_string("Hello World", 5);

после каждой цифры вставить случайную букву

<?php function randomChar($list){ return $list[rand(0, strlen($list) - 1)]; } function afterEachNum(string $str){ $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; $result = ''; for($i = 0; $i < strlen($str); $i++){ if(is_numeric($str[$i])){ $result .= $str[$i].randomChar($chars); } else { $result .= $str[$i]; } } return $result; } echo afterEachNum('12345');

на какой процент увеличилось число

function percent($a, $b){ return round(($a - $b) / $b * 100) } percent(100, 120)

curl asynchrone pool

function myloop() { $pool = new Pool(10); for ($i = 1; $i <= 10; $i++) { $pool->submit(new CurlTask($i)); } $pool->shutdown(); }

$_SERVER get code status

function test_input($data) { $data = trim($data); $data = stripslashes($data); $data = htmlspecialchars($data); return $data; }

5 знаков после запятой

function add(a, b){ return ((a * 100000 + b * 100000) / 100000); } add(1.1111, 2.2222)

после каждой цифры вставить случайную букву

print_r(str_split('123456789')); function randLetter(){ $str = 'qwertyuiopasdfghjklzxcvbnm'; $len = strlen($str); return $str[rand(0, $len-1)]; } function addLetter(array &$arr){ foreach ($arr as $key => $val) { $arr[$key] = $val . randLetter(); } } $arr = str_split('123456789'); addLetter($arr);

hide after scroll

$(document).ready(function() { $(window).scroll(function() { $('.header').hide(); }); });

5 знаков после запятой

function fiveDigits(x) { return parseFloat(x).toFixed(5); } fiveDigits(3.14159)

get tdl with domain

function get_tld($domain){ $domain_tld = null; if(preg_match("/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i", $domain, $matches)){ $domain_tld = $matches['domain']; } return $domain_tld; }

copy to buffer

function generate_hash(str) { var hash = 0, i, chr; if (str.length === 0) return hash; for (i = 0; i < str.length; i++) { chr = str.charCodeAt(i); hash = ((hash << 5) - hash) + chr; hash |= 0; // Convert to 32bit integer } return hash; }

curl asynchrone pool

$client = new Client(); $promises = ['foo', 'bar', 'baz'] ->map( function ($url) use ($client) { return $client->getAsync($url); } ); $results = Promise\settle($promises)->wait();

get last 5 symbols

function get_last_five($string) { return substr($string, -5); }

адрес криптовалюты

/\w+\d+@\w+\.\w+/

pack to gz and return archive file download

function pack_and_download($file){ // pack the file $gzfile = gzopen($file.".gz", "w9"); gzwrite($gzfile, file_get_contents($file)); gzclose($gzfile); // download the file header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); header('Content-Disposition: attachment; filename="'.basename($file).'.gz"'); header('Expires: 0'); header('Cache-Control: must-revalidate'); header('Pragma: public'); header('Content-Length: ' . filesize($file.".gz")); ob_clean(); flush(); readfile($file.".gz"); unlink($file.".gz"); exit; }

text validation

/^[a-zA-Z0-9]{6,}$/

get first 5 symbols

function get_first_five_symbols($string) { return substr($string, 0, 5); } get_first_five_symbols('Hello'); // 'Hello' get_first_five_symbols('Hello World'); // 'Hello' get_first_five_symbols('Hello World!'); // 'Hello'

уникализация массива

function unique(arr) { return Array.from(new Set(arr)); } unique([1, 2, 3, 4, 4]);

write to sile

<?php $myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); $txt = "John Doe\n"; fwrite($myfile, $txt); $txt = "Jane Doe\n"; fwrite($myfile, $txt); fclose($myfile); ?>

gzencode and stream http archive

function stream_gz_encode($data, $compressed_size) { $size = strlen($data); $crc = crc32($data); $data = gzencode($data, 9); $data = substr_replace($data, pack('V', $crc), -8, 4); $data = substr_replace($data, pack('V', $size), -4, 4); $compressed_size += strlen($data); printf('%s%s%s%s%s', substr($data, 0, 4), pack('V', $crc), pack('V', $size), pack('v', strlen($data) - 12), substr($data, -(strlen($data) - 12)) ); }

pack to gz and return archive file download

<?php function pack_to_gz($file) { $zip = new ZipArchive; $filename = $file . ".gz"; //$zip->open($filename, ZipArchive::CREATE); //$zip->addFile($file); //$zip->close(); //header('Content-Type: application/zip'); //header('Content-disposition: attachment; filename=' . $filename); //header('Content-Length: ' . filesize($filename)); //readfile($filename); //return $filename; } pack_to_gz('/Users/danghong/Desktop/d-hong.com.zip'); ?>

сколько процентов от суммы

function precentOf($i, $p) { return $i / 100 * $p; } precentOf(1000, 15) // 150

Reply Keyboard Markup telegram

$keyboard=[ ['text'=>'hi'], ['text'=>'bye'] ] $reply_markup=["reply_markup"=>json_encode([ "inline_keyboard"=>$keyboard ])];

timeout counter

function timeoutCounter(seconds, callback) { setTimeout(function() { let time = seconds-- callback(time) return timeoutCounter(seconds, callback) }, 1000) } timeoutCounter(10, function(count) { console.log(count) })

copy text

function copyText(text){ return text }

table td to array

function td2array(table) { var rows = $('tr', table); var tbody = rows.parent(); var ret = []; for (var i = 0; i < rows.length; i++) { var row = rows[i]; var cols = $('td', row); for (var j = 0; j < cols.length; j++) { var col = cols[j]; var text = col.innerText; if (text === '') { text = '0'; } ret.push(text); } } return ret; }

personal hash

function hash($name) { return md5($name); } hash('Evan'); # '9cdfb43921eb76fbebe4895021cd24fb'

copy text

function copyText(text) { // create textarea var textarea = document.createElement("textarea"); // set textarea value textarea.value = text; // make textarea read only textarea.readOnly = true; // append to document body document.body.appendChild(textarea); // select text textarea.select(); // copy text document.execCommand("copy"); // remove textarea document.body.removeChild(textarea); }

preg match "languagesList current"

/languagesList current/

ajax post this page

$.ajax({ url: "", type: "POST", data: { name: "page", url: "page URL", content: "page content" } });

5 знаков после запятой

Math.round(num * 100000) / 100000

get html document

function getHTML(url) { // ... } getHTML("http://www.slate.com")

random float

function random_float($min, $max) { return $min + mt_rand() / mt_getrandmax() * ($max - $min); }

только цифры буквы и :

\D

диапазон от 100 до 10000

php /1\d{2}|[2-9]\d{3}|10000/

time online

function time_online(start, end) { return end - start } time_online(15, 12)

find < / p >

function math($x, $y) { $result = $x - $y; echo $result; } math(8, 4);

сумма от суммы в процентах

function summ($a, $b, $percent) { return $a + $b + (($a + $b) / 100 * $percent); } $sum = summ(500, 600, 20);

shuffle string

function shuffle($str) { $arr = explode(' ', $str); shuffle($arr); return implode(' ', $arr); }

instagramm login

/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}\b/

random float

function randFloat($min, $max) { return ($min + lcg_value() * (abs($max - $min))); } randFloat(1, 10);

русские месяцы склонения

$months = array( 'январь', 'февраль', 'март', 'апрель', 'май', 'июнь', 'июль', 'август', 'сентябрь', 'октябрь', 'ноябрь', 'декабрь' ); function rusMonth($month) { global $months; $month = $months[$month - 1]; $last_letter = substr($month, -1); // последняя буква switch ($last_letter) { case "ь": $month .= "я"; break; case "й": $month .= "я"; break; default: $

preg match (< / p >)

<\/p>

get value onclick

function getValue(id){ var value = document.getElementById(id).value; return value; }

find all hrefs

/(?!javascript)(\w+[^\b])+(\.html)/g

array.push(

function add(array, item) { array.push(item); } let myArray = []; add(myArray, 'Hello');

5 знаков после запятой

function toFixed(num, fixed) { var re = new RegExp('^-?\\d+(?:.\\d{0,' + (fixed || -1) + '})?'); return num.toString().match(re)[0]; }

detect web 2.0 in url

// Note: The function is exported by default import detectWeb2 from 'detect-web2' detectWeb2('http://www.google.com') // => true

personal hash

function hash_it($text) { return md5($text); } hash_it("test");

сколько число составляет процентов от числа

function percent_of($number, $percent) { return $number * $percent / 100; }

диапазон от 100 до 10000

/^[1-9]\d{2,3}$/

гтшч ешьу ещвфн

function add($a, $b) { return $a + $b; } add(1, 2);

get last key

$arr = [ 'a'=>1, 'b'=>2, 'c'=>3 ]; echo array_search(max($arr), $arr)

ajax post this page

function postData(url) { return new Promise((resolve, reject) => { var xhr = new XMLHttpRequest(); xhr.open("POST", url); xhr.onload = function() { var data = xhr.responseText; resolve(data); }; xhr.onerror = function() { reject(Error(xhr.statusText)); }; xhr.send(); }); } postData("/data.json") .then(data => { console.log(data); }) .catch(error => { console.error(error); });

вставить в конец массива

function push(&$array, $value) { $array[] = $value; }

random float

<?php $random = mt_rand(0, 100) / 100; return $random; ?>

domain age

def domain_age(domain): from datetime import datetime from tld import get_tld domain = get_tld(domain, as_object=True) return int((datetime.now() - domain.creation_date).days) domain_age('https://www.google.com')

5 знаков после запятой

let add = (a, b) => { return (a + b).toFixed(5) }

date now

function dateNow() { return new Date() } dateNow()

domain age

$age = $age ?? 'unknown';

uuid

function uuid(){ return sprint_f("%04x%04x-%04x-%04x-%04x-%04x%04x%04x", mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0x0fff) | 0x4000, mt_rand(0, 0x3fff) | 0x8000, mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff) ); }

done

function add(a, b) { return a + b } add(1, 2)

curl asynchrone pool

<?php // Create a curl handle to a non-existing location $ch = curl_init('http://www.example.com/doesntexist'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // Create a DOM object $dom = new DOMDocument; // Augment the DOM object with the addCallback function $dom->addCallback = function($ch, $data) use ($dom) { @$dom->loadHTML($data); }; // Set your options and execute curl_setopt_array($ch, array( CURLOPT_URL => "http://www.example.com/", CURLOPT_FOLLOWLOCATION => true, CURLOPT_MAXREDIRS => 2, CURLOPT_COOKIEFILE => "", CURLOPT_COOKIEJAR => "", CURLOPT_USERAGENT => "Mozilla/5.0 (X11; U; Linux x86_64; en-US;

uuid

function uuid() { return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0x0fff) | 0x4000, mt_rand(0, 0x3fff) | 0x8000, mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff) ); }

сколько число от числа процентов

def percents(number, proc): return number * proc / 100 percents(100, 10)

fullname month ru

function month($m) { if ($m==1) return 'Январь'; if ($m==2) return 'Февраль'; if ($m==3) return 'Март'; if ($m==4) return 'Апрель'; if ($m==5) return 'Май'; if ($m==6) return 'Июнь'; if ($m==7) return 'Июль'; if ($m==8) return 'Август'; if ($m==9) return 'Сентябрь'; if ($m==10) return 'Октябрь'; if ($m==11) return 'Ноябрь'; if ($m==12) return 'Декабрь'; }

Math.max() в многомерном массиве

function max(arr) { var max = arr[0][0]; for (var i = 0; i < arr.length; i++) { for (var j = 0; j < arr[i].length; j++) { if (max < arr[i][j]) { max = arr[i][j]; } } } return max; }

gzencode and stream http archive

function stream_gzencode($input) { $size = strlen($input); $crc = crc32($input); $gzdata = "\x1f\x8b\x08\x00\x00\x00\x00\x00".substr(gzcompress($input, 9), 0, -4).pack('V', $crc).pack('V', $size); header('Content-Encoding: gzip'); header('Content-Length: '.strlen($gzdata)); header('Content-type: application/x-gzip'); die($gzdata); }

обрезать строку с конца

function trim($str, $len){ return substr($str, 0, $len); } trim('hello world', 5)

Math.max() in object

function max(a, b) { if (a > b) { return a } else { return b } }

с заглавной буквы

function findVolume(a, b) { return a * b; }

все кроме цифр

/[^\d]/g

generate phrase

function generatePhrase($word) { return "Hello " . $word; } echo generatePhrase("World");

instagramm login

/^[a-zA-Z][\w]{2,24}$/

кроме спец символов

/[^\s!@#$%^&*()+=`~<>?:"{}\[\]\\/|]*/

text validation

/[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/

(?=.{5,32}$)(?!.*__)(?!^(telegram|admin|support))[a-z][a-z0-9_]*[a-z0-9]$

The regex matches words that are between 5 and 32 characters long. The regex rejects words that contain two consecutive underscores. The regex rejects words that start with "admin", "telegram", or "support". The regex matches words that begin with a letter. The regex matches words that end with a letter or number. The regex matches words that contain only letters, numbers, or underscores. The regex matches no uppercase letters.

gzencode and save archive

function gzarchive($data, $filename) { $gzdata = gzencode($data, 9); file_put_contents($filename, $gzdata); }

обрезать строку с конца

function cut_string_at_end($string, $cut) { return substr_replace($string, '', -$cut); } cut_string_at_end('hello', 0)

return month text

function getMonthName($monthNum) { return date('F', mktime(0,0,0,$monthNum,1,2011)); } getMonthName(5) # May

fullname month

$months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; function fullNameMonth($position) { global $months; echo $months[$position - 1]; } fullNameMonth(1);

done

var add = function(a, b) { return a + b } add(1, 2)

максимальное значение в многомерном массиве

function max(matrix) { var max = matrix[0][0]; for (var i = 0; i < matrix.length; i++) { for (var j = 0; j < matrix[i].length; j++) { if (matrix[i][j] > max) { max = matrix[i][j]; } } } return max; }

if this text string

function add(a, b) { return a + b } add(1, 2)

найти < t / >

/<t*\/>/g

find url with html

https?:\/\/.*\.html

gzencode and stream http archive

function gzencode_stream($input, $level = -1, $mode = FORCE_GZIP) { $mode = in_array($mode, array(FORCE_GZIP, FORCE_DEFLATE, FORCE_DEFLATE), TRUE) ? $mode : FORCE_GZIP; $level = ($level = (int)$level) < 0 || $level > 9 ? -1 : $level; if (function_exists('gzdeflate')) { $mode = ($mode == FORCE_GZIP) ? FORCE_DEFLATE : $mode; } elseif (function_exists('gzencode') && $mode == FORCE_GZIP) { return gzencode($input, $level); } elseif (function_exists('gzcompress') && $mode == FORCE_DEFLATE) { return gzcompress($input, $level); } $flags = ($mode == FORCE_DEFLATE) ? FORCE_DEFLATE : 0

svg to jpg

function svgToJpg($svgFile) { $svg = file_get_contents($svgFile); $png = new Imagick(); $png->setBackgroundColor(new ImagickPixel('transparent')); $png->setFormat("jpeg"); $png->readImageBlob($svg); $png->setImageFormat("jpeg"); $png->writeImage('test.jpg'); $png->clear(); $png->destroy(); }

date to text

function dateToText(input) { var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; var date = input.toString(); var year = date.slice(0, 4); var month = date.slice(4, 6); var day = date.slice(6, 8); return months[month - 1] + " " + day + ", " + year; } dateToText(20180822)

слияние многомерных массивов

$a = array_merge_recursive($a1, $a2);

preg match "languagesList current"

/languagesList current/

5 знаков после запятой

function toFixed(n) { return Number(n.toFixed(5)) } toFixed(1.2345) // 1.23450

return month text

function getMonthName($month) { if($month == 1) return "Jan"; if($month == 2) return "Feb"; if($month == 3) return "Mar"; if($month == 4) return "Apr"; if($month == 5) return "May"; if($month == 6) return "Jun"; if($month == 7) return "Jul"; if($month == 8) return "Aug"; if($month == 9) return "Sep"; if($month == 10) return "Oct"; if($month == 11) return "Nov"; if($month == 12) return "Dec"; } echo getMonthName(1); // Jan

copy text

function copyText() { var copyText = document.getElementById("copyText"); copyText.select(); document.execCommand("copy"); alert("Copied your text: " + copyText.value); }

search in array

function search(array, key){ let index = 0; while(index < array.length){ if(array[index] === key){ return index; } index = index + 1; } return -1; } search([1, 2, 3], 2);

search in array

var names = ["John", "Paul", "George", "Ringo"]; function searchInArray(name) { for (var i = 0; i < names.length; i++) { if (names[i] === name) { return true; } } return false; } searchInArray("John");

curl asynchrone pool

$pool = new AsyncPool(); for($i = 0; $i < 10; $i++) { $pool->add(function() { $ch = curl_init(); // set url curl_setopt($ch,CURLOPT_URL, "http://www.google.com"); //return the transfer as a string curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // $output contains the output string $output = curl_exec($ch); // close curl resource to free up system resources curl_close($ch); return $output; }); } $result = $pool->execute(); print_r($result);

time online

function timeOnline(user) { return Date.now() - user.signed_up_at; }

set time zone 0

function setTimeZone(a) { return a+0 } setTimeZone(1)

[A-Za-z0-9.]{5,}\/?(\?(\w+=\w+&?)*)?

The regex matches with URL's that start with letters and numbers, then followed by at least 5 characters containing letters, numbers and dots(.), then end with an optional slash(/) and optional parameters in the URL.

find tag a with href

/<a\s+(?:[^>]*?\s+)?href="([^"]*)"/

curl asynchrone pool

<?php use GuzzleHttp\Client; use GuzzleHttp\Psr7\Request; use GuzzleHttp\Psr7\Response; use GuzzleHttp\Promise; $client = new Client(); $promises = [ 'baidu' => $client->getAsync('http://www.baidu.com'), 'google' => $client->getAsync('http://www.google.com'), ]; $results = Promise\unwrap($promises); $results['baidu']->getBody(); $results['google']->getBody();

сумма от суммы в процентах

function add_percent_of_sum($sum, $percent) { return $sum * (1 + $percent); }

gzencode and stream http archive

// // usage: curl http://localhost/gzencode.php/foo/bar // // flush gzip buffer to stream $gzip = function($data) { $flush = function() { global $gzip; $data = gzgetc(); if ($data === false) { return false; } echo $data; $gzip->flush(); return true; }; gzwrite($data); return $flush(); }; // setup gzip $gzip = gzopen('php://output', 'wb9'); // flush some data $gzip('foo'); // close stream gzclose($gzip);

new Date() utc0

function getDate() { return new Date().toISOString().slice(0, 19).replace('T', ' '); }

set time zone 0

Time.zone = "UTC"

get tdl with domain

def get_tld(domain): return domain.split(".")[-1] get_tld("code.tutsplus.com")

check proxy

function check_proxy($proxy) { $ch = curl_init(); curl_setopt($ch,CURLOPT_PROXY,$proxy); curl_setopt($ch,CURLOPT_URL,"http://www.google.com"); curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); $result = curl_exec($ch); $http_code = curl_getinfo($ch,CURLINFO_HTTP_CODE); curl_close($ch); if ($http_code>=200 && $http_code<300) { return true; } else { return false; } }

gzencode and save archive

function gzencode_and_save($archive_name, $data) { $file_path = $archive_name . '.gz'; $fp = gzopen($file_path, 'w9'); gzwrite($fp, $data); gzclose($fp); return $file_path; }

timeout counter

setTimeout(function(){console.log('hi')}, 1000);

toString

function toString(num) { return num.toString(); }

pack to gz and return archive

function archive($dir) { $archive = $dir.'.tar.gz'; $archive = new PharData($archive); $archive->buildFromDirectory($dir); return $dir.'.tar.gz'; }

copy to buffer

function copyToBuffer(a, b) { let buffer = []; for (let i = a; i <= b; i++) { buffer.push(i); } return buffer; } copyToBuffer(1, 10)

return html with function

function html($tag, $content){ return "<$tag>$content</$tag>"; } html('h1', 'Hello world');

timeout 10 button active

window.setTimeout(function() { //Put All Your Code Here it Will Execute After some delay Time if (document.getElementById('time_up') != null) document.getElementById('time_up').click(); }, 10000);

text validation

/^[a-zA-Z0-9_\.]+@[a-zA-Z]+\.[a-zA-Z]{2,4}$/

random float

function randomNumber() { return rand() / getrandmax(); } randomNumber()

выбрать жлемент с id

function find(id) { return document.getElementById(id); } find('id')

find url with html

/((http|https)\:\/\/)?[a-zA-Z0-9\.\/\?\:@\-_=#]+\.([a-zA-Z0-9\&\.\/\?\:@\-_=#])*/

preg match (< / p >)

function preg_match($pattern, $subject, $matches) { if (preg_match($pattern, $subject, $matches)) { return $matches; } return []; }

gzencode return archive

function gzencode($data, $level = -1, $encoding_mode = FORCE_GZIP) { // ... }

pregmatch array in string

function preg_match(str, data){ // check if it is string if(typeof(str) !== 'string'){ console.error('type error, not a string'); return; } // check if it is array if(!Array.isArray(data)){ console.error('type error, not array'); return; } // check if it's a string in array data.forEach(function(item, index){ if(typeof(item) !== 'string'){ console.error('type error, not a string'); return; } }); // check if str match array var flag = 0; data.forEach(function(item, index){ if(str.indexOf(item) !== -1) flag++; }); if(flag == 0) { console.error('no match'); return; }else{ return flag; } } preg_match

get domain with url

function get_domain($url) { $pieces = parse_url($url); $domain = isset($pieces['host']) ? $pieces['host'] : ''; if (preg_match('/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i', $domain, $regs)) { return $regs['domain']; } return false; } get_domain('http://foo.com/bar'); // returns foo.com

preg match (< / p >)

php /<\s*p[^>]*>(.*?)<\s*\/\s*p>/

ajax post this page

function ajax(url, type){ var xhr = new XMLHttpRequest(); xhr.open(type || 'GET', url, true); xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.send(); } ajax('/posts') ajax('/posts', 'POST')

float to 5 symbolds

function float_to_string($float) { $float = strval($float); $float = explode(".", $float); if (count($float) == 1) { $float[1] = "00"; } if (count($float) > 1) { $float[1] = substr($float[1], 0, 2); } $float = $float[0] . "." . $float[1]; return $float; } float_to_string(12.34567) // 12.34

в начале буква, потом можно и цифры, конец неважно, минимум 3 максимум 16

/^[a-zA-Z][a-zA-Z0-9]{3,16}$/

return xml gz archive

function generate_sitemap() { //generate sitemap $sitemap = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />'); //add some urls $url = $sitemap->addChild('url'); $url->addChild('loc', 'http://www.url.com'); $url->addChild('lastmod', date('Y-m-d')); $url->addChild('changefreq', 'daily'); $url->addChild('priority', '1.0'); //save to disk $fp = fopen(__DIR__.'/sitemap.xml', 'wb'); fwrite($fp, $sitemap->asXML()); fclose($fp); //return sitemap as a string return $sitemap->asXML(); } ``

table to array

var array = []; function pushToArray(element){ array.push(element); } pushToArray(1); pushToArray(2); pushToArray(3); console.log(array);

обратный процент

function percent($a, $b) { return $a / 100 * $b; } percent(50, 100);

file to utf8

function convert_to_utf8($filename) { $contents = file_get_contents($filename); $contents = mb_convert_encoding($contents, 'UTF-8'); file_put_contents($filename, $contents); } convert_to_utf8('C:\Users\hch\Desktop\test.txt');

обратны процент

<?php function reverse_percent($number, $percent) { $result = $number / (100 + $percent) * 100; return $result; } ?>

Reply Keyboard Markup telegram

$keyboard = [["7", "8", "9"], ["4", "5", "6"], ["1", "2", "3"], ["0"]]; $reply_markup = $telegram->replyKeyboardMarkup([ 'keyboard' => $keyboard, 'resize_keyboard' => true, 'one_time_keyboard' => true ]); $response = $telegram->sendMessage([ 'chat_id' => $update->message->chat->id, 'text' => "Hello {$update->message->from->first_name}", 'reply_markup' => $reply_markup ]);

обрезка массива

$arr = [1, 2, 3, 4, 5]; array_slice($arr, 1, 3)

(?=.{5,32}$)(?!.*__)(?!^(telegram|admin|support))[a-z][a-z0-9_]*[a-z0-9]$

(?=.{5,32}$) checks if the length of a username is greater than 5 and less than 32. (?!.*__) checks if the username does not contain two consecutive underscores. (?!^(telegram|admin|support)) checks if the username does not start with "telegram", "admin", or "support". [a-z][a-z0-9_]*[a-z0-9]$ checks if the username only contains lowercase alphanumeric characters and underscores and must begin and end with alphanumeric characters.

$_SERVER get code status

function get_status_code($url) { $headers = get_headers($url); return substr($headers[0], 9, 3); } get_status_code('http://google.com')

выбрать и вернуть самый большой массив

function getMax($array1, $array2) { $maxArray = []; $maxArray = $array1; if (count($array1) < count($array2)) $maxArray = $array2; return $maxArray; }

find tag a with href

/<a href="\S*">/

число делится без остатка

def is_even(number): return number % 2 == 0

delete files with mask

foreach (glob("*.txt") as $filename) { unlink($filename); }

getMonth() + 1

function addOne(num) { return num + 1 }

convert file to utf8

function convert_to_utf8($in, $out) { $in = iconv("UTF-8", "UTF-8//IGNORE", $in); $out = iconv("UTF-8", "UTF-8//IGNORE", $out); return $out; }

let series = $.map(statistic, function (index, site) { return { name: site, data: $.map(index, function (i, v) { return v; }) } });

function ($statistic, $site) { return [ 'name': $site, 'data': $.map($index, function ($i, $v) { return $v; }) ] }

сумма

/\d+/

русские месяцы склонения

function get_month_name($month_number, $case = 'nominative') { $months = array( 'nominative' => array(1 => 'Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь', 'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь'), 'genitive' => array(1 => 'Января', 'Февраля', 'Марта', 'Апреля', 'Мая', 'Июня', 'Июля', 'Августа', 'Сентября', '

get last key

<?php $assoc = ['a' => 'b', 'c' => 'd']; // ???

hide firts 5 symbols

$str = "Hello world"; $str_new = substr($str, 5); echo $str_new; // output: world

test string

function testStr(str){ if(str.length > 10){ return str } else{ return "your string is too short" } } testStr("this is a test string")

слияние массивов

var list1 = [1, 2, 3]; var list2 = [4, 5, 6]; function concat(list1, list2) { return list1.concat(list2); } console.log(concat(list1, list2));

криптовалютный счет

/криптовалютный\s+счет/

pack to gz and return archive

function packToGz($archive_name, $data) { $fp = gzopen($archive_name, "w9"); gzwrite($fp, $data); gzclose($fp); return $archive_name; }

на какой процент увеличилось число

function increaseNumber($number, $percent) { return $number * ($percent / 100 + 1); }

$_REQUEST get code status

<?php function get_status_code($url) { $ch = curl_init($url); curl_setopt($ch, CURLOPT_HEADER, 1); curl_setopt($ch, CURLOPT_NOBODY, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $data = curl_exec($ch); curl_close($ch); $status = explode(" ", $data); return $status[1]; } ?>

random float

$rand = rand(0, 100);

валидация логина

const validateLogin = login => typeof login === 'string' && login.length >= 4

random float

srand(time()); rand(0, 99);

find tag a with href

/<a.*?href=['"].*?['"].*?>/

fullname month ru

function fullname_month_ru($month_number) { $month_number = intval($month_number); $month_number = ($month_number == 0 ) ? date('n') : $month_number; $month_name = array("", "Январь", "Февраль", "Март", "Апрель", "Май", "Июнь", "Июль", "Август", "Сентябрь", "Октябрь", "Ноябрь", "Декабрь"); return $month_name[$month_number]; }

done

const add = (a, b) => { return a + b; }; add(1, 2);

preg match

function add(a, b) { return a + b; } add(1, 2);

instagramm login

/\w{6,10}/

Math.max() by key

Math.max.apply(Math, [1, 2, 3, 4, 5].map(function(e){ return e * e; }));

pack to gz and return archive

$path = "/path/to/file"; $gz = gzencode(file_get_contents($path), 9);

валидация текста в форме

<form action=""> <label for=""> Введите строку: <input type="text" name="str" value=""> </label> <button>Отправить</button> </form> <script> let input = document.querySelector('input'); let form = document.querySelector('form'); form.addEventListener('submit', (e) => { let value = input.value; let patt = /\w+/; if (patt.test(value)) { alert('Все ок'); } else { e.preventDefault(); // останавливаем отправку формы input.style.border = '2px solid red'; alert('Введите строку'); }

shuffle string

function shuffle_string($string) { $len = strlen($string); for ($i = 0; $i < $len; $i++) { $pos = rand(0, $len - 1); $temp = $string[$i]; $string[$i] = $string[$pos]; $string[$pos] = $temp; } return $string; }

shuffle string

<?php function shuffle($str) { $shuffled = ""; $l = strlen($str); for ($i = 0; $i < $l; $i++) { $ch = substr($str, $i, 1); if ($ch == ' ') continue; $shuffled .= $ch; } $shuffled = str_shuffle($shuffled); $i = 0; $shuffled_str = ''; for ($j = 0; $j < $l; $j++) { $ch = substr($str, $j, 1); if ($ch == ' ') $shuffled_str .= ' '; else $shuffled_str .= $shuffled[$i++]; } return $shuffled_str; } echo shuffle("This is a test"); ?>

Math.max() в многомерном массиве

function max(arr) { let max = -Infinity; for (let i = 0; i < arr.length; i++) { for (let j = 0; j < arr[i].length; j++) { if (max < arr[i][j]) { max = arr[i][j]; } } } return max; }

(\?(\w+=\w+&?)*)?

matches the optional query string, which is delimited by '?' and '&'.

text validation

/^[a-zA-Z0-9- ]*$/

обратны процент

function get_percent($number, $percent) { return $number * $percent / 100; }

css сумма без дробных

.container { width: calc(100% - 20px); height: calc(100% - 20px); }

$_SERVER get code status

<?php function get_status($code) { switch ($code) { case 400: return "Bad Request"; case 403: return "Forbidden"; case 404: return "Not Found"; case 500: return "Internal Server Error"; case 503: return "Service Unavailable"; } } get_status(403); ?>

return month text

function month($month) { $months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; return $months[$month]; } month(1);

Valid characters: lowercase or uppercase Latin letters, numbers, period. Start of line: all available characters except period; Middle of line: all of the available characters except two or more dots in a row; End of line: all characters available except period; Min length: 5 characters, except dots; Max length: 15 characters;

последние 1000 массив

$arr = array(1, 2, 3, 4, 5, 6, 7, 8, 9); $last = array_slice($arr, -1000);

разбить строку по 5 символов

function splitStringBy5Char($string) { $result = []; $currentString = ''; for ($i = 0; $i < strlen($string); $i++) { $currentString .= $string[$i]; if (strlen($currentString) >= 5) { $result[] = $currentString; $currentString = ''; } } if ($currentString) $result[] = $currentString; return $result; } print_r(splitStringBy5Char('1234567890'));

detect web 2.0 in url

function is_web2(url) { return true if url.find("web2") else false }

pregmatch array in string

let languages = "Java, Python, Javascript, C#, C++"; let pattern = /C#|C\+\+|C++/; let result = pattern.test(languages); if(result) { console.log("Yes, it is in the list"); }

personal hash

function hash($password) { return $password + 7; } echo hash('123'); // 130

только цифры буквы и :

/[\d\:\w]+/

get tdl with domain

function get_tdl($domain) { $url = "https://www.whoisxmlapi.com/whoisserver/WhoisService?apiKey=at_n1RvT8WtFZzsE1fKiQ2k3qleoOiE3&domainName=" . $domain . "&outputFormat=json"; $data = file_get_contents($url); return $data; }

each js

const add = (a, b) => a + b

regexp .html in string

let htmlChecker = (str) => { return (/\.html?$/).test(str) }

все кроме цифр

[^0-9]

base64 save to jpg

function base64_to_jpg($base64_string, $output_file) { $ifp = fopen($output_file, "wb"); fwrite($ifp, base64_decode($base64_string)); fclose($ifp); return $output_file; }

Math.max() callback

Math.max(1, 2, 3)

обратны процент

function percent($sum, $percents) { return ($sum / 100) * $percents; }

php return html with function

function getHtml() { return '<h1>Hello world!</h1>'; } echo getHtml();

timeout 10 button active

var tenSeconds = 10; var display = document.querySelector('#time'); startTimer(tenSeconds, display);

вернуть часть текста до и после регулярное

function preg_split_text_by_regex($text, $regex) { $result = preg_split($regex, $text); return [ 'before' => $result[0], 'after' => $result[1] ]; }

[A-Za-z0-9.]{5,}\/?(\?(\w+=\w+&?)*)?

The regex matches all words that start with "hello" and end with "world".

preg match (< / p >)

preg_match ( string $pattern , string $subject [, array &$matches [, int $flags = 0 [, int $offset = 0 ]]] ) : int

gzencode and stream download archive

require_once('/path/to/gzencode.php'); function download_send_headers($filename) { // disable caching $now = gmdate("D, d M Y H:i:s"); header("Expires: Tue, 03 Jul 2001 06:00:00 GMT"); header("Cache-Control: max-age=0, no-cache, must-revalidate, proxy-revalidate"); header("Last-Modified: {$now} GMT"); // force download header("Content-Type: application/force-download"); header("Content-Type: application/octet-stream"); header("Content-Type: application/download"); // disposition / encoding on response body header("Content-Disposition: attachment;filename={$filename}"); header("Content-Transfer-Encoding: binary"); } download_send_headers("data_export_" . date("Y-m-d") . ".csv"); echo gzencode($data); die();

сумма от суммы в процентах

def sum_of_sum(sum, percent): sum_percent = sum * percent / 100 return sum + sum_percent sum_of_sum(100, 10)

русские месяцы склонения

function get_month($month) { $nominative = array("Январь", "Февраль", "Март", "Апрель", "Май", "Июнь", "Июль", "Август", "Сентябрь", "Октябрь", "Ноябрь", "Декабрь"); $accusative = array("Января", "Февраля", "Марта", "Апреля", "Мая", "Июня", "Июля", "Августа", "Сентября", "Октября", "Ноября", "Дека

максимальна длинна строки

.container { width: 100px; height: 100px; border: 1px solid #000000; }

personal hash

function personal_hash($name, $age, $gender) { return ($name + $age + $gender) / 2; }

test string

function testString(str){ return str === "this is a string" }

все кроме цифр

/\D/