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@ 2015-10-06T21:37:38Z

<?php

function isPerfect($numbers) {
	return $numbers[0]*$numbers[1]*$numbers[2]*$numbers[3];
}

var_dump(isPerfect([1,2,3,4]));

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

55.02 ms | 402 KiB | 5 Q