3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a1 = [1 => 'foo', 2 => 'bar']; $a2 = [2 => 'bar2', 3 => 'baz']; $a3 = []; var_dump($a1); var_dump(array_replace($a1, $a2)); var_dump(array_replace($a1, $a3));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [1]=> string(3) "foo" [2]=> string(3) "bar" } array(3) { [1]=> string(3) "foo" [2]=> string(4) "bar2" [3]=> string(3) "baz" } array(2) { [1]=> string(3) "foo" [2]=> string(3) "bar" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/t9nVo on line 2
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 '[' in /in/t9nVo on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/t9nVo on line 2
Process exited with code 255.