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php生成零到1（小数）的随机数

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Release： 2016-06-13 10:38:36
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php生成0到1（小数）的随机数

function randomFloat($min = 0, $max = 1) {		return $min + mt_rand() / mt_getrandmax() * ($max - $min);	}
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原文网站：http://www.php.net/manual/en/function.mt-getrandmax.php

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