Online PHP editor | output for Zk3NO

@ 2016-10-29T16:49:29Z

<?php

function get_numerics ($str) {
    preg_match( '/(?<=\bLevel\s)(?:[\w-]+)/is', $str, $matches);
    return $matches;
}

$one = 'aasdjhgasd asgdahjsd hjg 4ht ahsjdhkajsdhakjsdh Level 1, 100 XP Unlocked 3 Jul';
$string = "This is a string, keyword next, some more text. keyword next-word. keyword another_word. Okay, keyword do-rae-mi-fa_so_la.";

print_r(get_numerics($one));

print_r(get_numerics($string));

Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Array ( [0] => 1 ) Array ( )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => 1 ) Array ( )

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