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@ 2017-03-01T14:14:44Z

<?php

$array = ['1'];

for ($i = 0; $i < 100000; $i++ ) {
   array_merge($array, ['2', '3']); 
}

Output
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array_merge: documentation ( source)

preferences:dark modelive preview

69.52 ms | 402 KiB | 5 Q