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run code in 300+ PHP versions simultaneously
<?php $arr1= []; $arr2 = []; $arr1[] = "Hello"; $arr1[] = "This"; print_r($arr1); $tester = ["Hello", "This"]; foreach ($tester as $key) { $arr2[] = $key; } print_r($arr2);

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58.18 ms | 402 KiB | 5 Q