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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr1 = array('bundle1' => [], 'bundle2' => []); $arr2 = array('bundle2' => [], 'bundle1' => []); var_dump(array_merge($arr1, $arr2)); var_dump($arr1 + $arr2);
based on IiYSF
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["bundle1"]=> array(0) { } ["bundle2"]=> array(0) { } } array(2) { ["bundle1"]=> array(0) { } ["bundle2"]=> array(0) { } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/QJCOB 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 '[' in /in/QJCOB on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/QJCOB on line 3
Process exited with code 255.