3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array(1 => 'v1',2 => 'v2',3 => 'v3',4 => 'v4'); $array2 = array(1 => 'v1',2 => 'v2',5 => 'v5',6 => 'v6'); $array3 = $array1 + $array2; print_r($array3);

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