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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array ( 0 => array ( 'php' => 5.3, ), 1 => array ( 'php' => 5.3, ), 2 => array ( 'php' => 5.3, ), ); $result = array(); foreach ($a as $k => $v) { foreach ($a as $k2 => $v2) { if ($v != $v2) { $result[$v]; } } } var_dump($result);
Output for 4.3.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(0) { }