3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array( 'host' => '', 'port' => 0, 'version' => 0, 'options' => array('timeout' => 5) ); $a2 = array( 'host' => 'asas', 'port' => 0, 'version' => 0, 'options' => array('timeout' => 6) ); var_dump(array_intersect_assoc($a1, $a2));

preferences:
55.93 ms | 402 KiB | 5 Q