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)) $newArray = array(); foreach($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 '$newArray' (T_VARIABLE) in /in/gIqKa on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/gIqKa on line 3
Process exited with code 255.
preferences:
185.9 ms | 1395 KiB | 56 Q