3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mainArray = array(23 => array(21,23,20), 21 => array(21,23,23), 24 => array(21,23,20)) foreach($mainArray as $key => $value) { if (in_array($value, 20)) { $newArray[] = $key; } } echo var_dump($newArray);
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected 'foreach' (T_FOREACH) in /in/7ZoBB on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_FOREACH in /in/7ZoBB on line 3
Process exited with code 255.
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183.79 ms | 1395 KiB | 56 Q