3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3, 4); //$b = array_merge(array_slice($a, 0, 2), array(5), array_slice($a, 2)); // $b = array(1, 2, 5, 3, 4) var_export( array_slice($a, 0, 2) + array(5) + array_slice($a, 2) );

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28.12 ms | 405 KiB | 5 Q