3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array("lol","lulz","42","\\blub"); array_walk($array, function(&$elm) { $elm = str_replace('\\', '\\\\', $elm); var_dump($elm); }); $value = json_encode($array);
Output for 5.3.0 - 7.1.0
string(3) "lol" string(4) "lulz" string(2) "42" string(6) "\\blub"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/OAQlS on line 3
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/OAQlS on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/OAQlS on line 3
Process exited with code 255.