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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('foo', 'bar'); $b = array('baz'); $c = array($a, $b); var_dump(array_reduce($c, function ($a, $b) { return array_merge($a, $b); }, array()));
based on CBHoE
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/mDm83 on line 6
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/mDm83 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mDm83 on line 6
Process exited with code 255.