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run code in 200+ php & hhvm versions
Bugs & Features
<?php $file = "holm_22.jpg"; preg_match_all('/([\d]+)/', $file, $match); $test = implode("","", $match[0]); echo $test;
based on 3fJg3
Output for 5.3.0 - 7.2.0
Warning: implode() expects at most 2 parameters, 3 given in /in/IhI3F on line 7
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for implode() in /in/IhI3F on line 7