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run code in 150+ php & hhvm versions
Bugs & Features
<?php $msg = "abcde12321312"; $txt = "/([a-z]+)/"; echo preg_replace_callback($txt,function($m){ return $m; },$msg);
Output for 5.3.0 - 7.1.0
Notice: Array to string conversion in /in/2YMgA on line 6 Array12321312
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/2YMgA on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/2YMgA on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2YMgA on line 4
Process exited with code 255.