3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$a = array(array('a' => 1, 'b' => 3), array('c'=> 5, 'd' => 2)); //$b = array('a' => 21, 'b' => 23, 'c'=> 25, 'd' => 22); $a = array(array(1, 3), array(5, 2)); $b = array(array(21, 23), array(25, 22)); //$m = array_merge(array_values($a), array_values($b)); //var_dump(array_merge(array_values($a), array_values($b))); var_dump(array_reduce(array_values($a), 'array_merge', array())); var_dump($a); ?>
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
array(4) { [0]=> int(1) [1]=> int(3) [2]=> int(5) [3]=> int(2) } array(2) { [0]=> array(2) { [0]=> int(1) [1]=> int(3) } [1]=> array(2) { [0]=> int(5) [1]=> int(2) } }
preferences:
152.32 ms | 409 KiB | 5 Q