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run code in 150+ php & hhvm versions
Bugs & Features
<?php $words = "systematic,gear,synthesis,mysterious"; $words=explode(",",$words); $your_array = preg_grep("s", $words); print_r($your_array);
Output for 4.3.11 - 7.1.0
Warning: preg_grep(): Delimiter must not be alphanumeric or backslash in /in/u9CB9 on line 6
Output for 4.3.0 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/u9CB9 on line 6