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run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "preg_replace(\"/[^A-Za-z0-9:\/\.,;: !?]/\", '', $string);"; echo preg_replace("/[^A-Za-z0-9:\/\.,;: !?]/", '', $string);
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: string in /in/8JABP on line 2 pregreplace/AZaz09:/.,;: !?/, , ;
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: string in /in/8JABP on line 2 pregreplace/AZaz09:/.,;: !?/, , ;