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run code in 150+ php & hhvm versions
Bugs & Features
<?php $result = ['aa', 'ab', 'ba']; $current = ''; foreach($result as $val){ if($val[0] != $current) { echo 'header'; $current = $val[0]; } echo $val; }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
headeraaabheaderba
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ZK5Pp 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/ZK5Pp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ZK5Pp on line 3
Process exited with code 255.