Online PHP editor | output for SRSpN

@ 2022-07-22T06:01:02Z

<?php

$tests = [
    ['word' => 'example',     'mask' => 'lmp'],   // true
    ['word' => 'goodness',    'mask' => 'dns'],   // false
    ['word' => 'slippers',    'mask' => 'eip'],   // true
    ['word' => 'slippers',    'mask' => 'ips'],   // false
    ['word' => 'google',      'mask' => 'go'],    // true
    ['word' => 'food',        'mask' => 'go'],    // false
    ['word' => 'bananas',     'mask' => 'ans'],   // true
    ['word' => 'candle',      'mask' => 'ace'],   // false
    ['word' => 'mississippi', 'mask' => 'i'],     // true
    ['word' => 'executive',   'mask' => 'ecitx'], // false
];    

foreach ($tests as ['word' => $word, 'mask' => $mask]) {
    var_export([
        $word,
        $mask,
        preg_match_all("/[$mask]+/", $word, $m) && array_filter($m[0], fn($chars) => !ltrim($mask, $chars)),
        preg_match_all("/[$mask]{" . strlen($mask) . ",}/", $word, $m) && array_filter($m[0], fn($chars) => !ltrim($mask, $chars)),
        // preg_replace('/[a-z]/', "(?=[$mask]*$0)", $mask),
        (bool) preg_match('/' . preg_replace('/[a-z]/', "(?=[$mask]*$0)", $mask) . "[$mask]+/", $word) 
    ]);
    echo "\n---\n";
}

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: array ( 0 => 'example', 1 => 'lmp', 2 => true, 3 => true, 4 => true, ) --- array ( 0 => 'goodness', 1 => 'dns', 2 => false, 3 => false, 4 => false, ) --- array ( 0 => 'slippers', 1 => 'eip', 2 => true, 3 => true, 4 => true, ) --- array ( 0 => 'slippers', 1 => 'ips', 2 => false, 3 => false, 4 => false, ) --- array ( 0 => 'google', 1 => 'go', 2 => true, 3 => true, 4 => true, ) --- array ( 0 => 'food', 1 => 'go', 2 => false, 3 => false, 4 => false, ) --- array ( 0 => 'bananas', 1 => 'ans', 2 => true, 3 => true, 4 => true, ) --- array ( 0 => 'candle', 1 => 'ace', 2 => false, 3 => false, 4 => false, ) --- array ( 0 => 'mississippi', 1 => 'i', 2 => true, 3 => true, 4 => true, ) --- array ( 0 => 'executive', 1 => 'ecitx', 2 => false, 3 => false, 4 => false, ) ---
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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