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run code in 150+ php & hhvm versions
Bugs & Features
<?php $test_array = array("first_key" => "first_value", "second_key" => "second_value"); array_walk($test_array, function(&$a, $b) { $a = "$b loves $a"; }); var_dump($test_array);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
array(2) { ["first_key"]=> string(27) "first_key loves first_value" ["second_key"]=> string(29) "second_key loves second_value" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/dU5CX on line 5
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/dU5CX on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/dU5CX on line 5
Process exited with code 255.