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run code in 500+ PHP versions simultaneously
<?php $my_array = ['a','b','c']; $dyn_array = [1, 2, 3]; $num = 2; $result = array_merge($my_array, ...array_fill(0, $num, $dyn_array)); print_r($result);

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47.4 ms | 2034 KiB | 5 Q