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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = [ '4/9/2014', '3/9/2014', '2/9/2014', '5/9/2014', '1/9/2014' ]; foreach ($arr as &$elem) { $elem = preg_replace('/2014/', '', $elem); } var_dump($arr); foreach ($arr as $elem) { $elem = $elem . 'BLAH'; } var_dump($arr);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(5) { [0]=> string(4) "4/9/" [1]=> string(4) "3/9/" [2]=> string(4) "2/9/" [3]=> string(4) "5/9/" [4]=> &string(4) "1/9/" } array(5) { [0]=> string(4) "4/9/" [1]=> string(4) "3/9/" [2]=> string(4) "2/9/" [3]=> string(4) "5/9/" [4]=> &string(12) "5/9/BLAHBLAH" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/CbPri 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/CbPri on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/CbPri on line 2
Process exited with code 255.