3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = 'toto tutu 1.3 tdfs fdsfds fdsfsd'; echo preg_grep('/[^[0-9]+]/', $t);
Output for 5.2.0 - 7.2.0
Warning: preg_grep() expects parameter 2 to be array, string given in /in/FITjp on line 3
Output for 4.3.11 - 5.1.6
Warning: preg_grep(): Second argument to preg_grep() should be an array in /in/FITjp on line 3
Output for 4.3.0 - 4.3.10
Warning: Second argument to preg_grep() should be an array in /in/FITjp on line 3