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@ 2014-09-20T06:58:00Z

<?php

var_dump(-10 ** 2.5);
$a = range(-0, 10);

$b = range(-10, 10, 0.5);

$opResults = [];

$funcResults = [];

foreach($a as $_a) {
	foreach($b as $_b) {
		$opResults[] = $a ** $b;
		$funcResults[] = pow($a, $b);
	}
}

var_dump($opResults === $funcResults, $opResults, $funcResults);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
pow: documentation ( source)
range: documentation ( source)

preferences:dark modelive preview

33.25 ms | 402 KiB | 5 Q