3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array( 'colors' => array( 'red', 'yellow', 'blue', ), 'shapes' => array( 'circle', 'square', ), ); $array2 = array( 'colors' => array( 'green', 'orange', ), 'shapes' => array( 'triangle', ), ); var_dump(array_merge_recursive($array1, $array2));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(2) { ["colors"]=> array(5) { [0]=> string(3) "red" [1]=> string(6) "yellow" [2]=> string(4) "blue" [3]=> string(5) "green" [4]=> string(6) "orange" } ["shapes"]=> array(3) { [0]=> string(6) "circle" [1]=> string(6) "square" [2]=> string(8) "triangle" } }

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283.29 ms | 406 KiB | 455 Q