Online PHP editor | output for vqBMj

@ 2019-11-14T15:43:27Z

<?php

$big = ['html', 'body', 'div', 'body','table', 'tbody', 'tr', 'td'];
$small = ['body', 'div', 'td'];
$wrong = ['td', 'body', 'div'];


function isSubsequence($haystack,$needle){
    if(count($needle) > count($haystack)) return false;
    $keys = array_keys($needle);
    $ptr = 0;
    $len = count($needle);
    
    foreach($haystack as $element){
        if($ptr === $len) return true;
        if($needle[$keys[$ptr]] === $element) $ptr++;
    }
    
    return $ptr === $len;
}


var_dump(isSubsequence($big, $small));
var_dump(isSubsequence($big, $wrong));

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 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: bool(true) bool(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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