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Util
Edit File: RandomGenerator.php
<?php namespace AmeliaStripe\Util; /** * A basic random generator. This is in a separate class so we the generator * can be injected as a dependency and replaced with a mock in tests. */ class RandomGenerator { /** * Returns a random value between 0 and $max. * * @param float $max (optional) * * @return float */ public function randFloat($max = 1.0) { return \mt_rand() / \mt_getrandmax() * $max; } /** * Returns a v4 UUID. * * @return string */ public function uuid() { $arr = \array_values(\unpack('N1a/n4b/N1c', \openssl_random_pseudo_bytes(16))); $arr[2] = ($arr[2] & 0x0FFF) | 0x4000; $arr[3] = ($arr[3] & 0x3FFF) | 0x8000; return \vsprintf('%08x-%04x-%04x-%04x-%04x%08x', $arr); } }
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