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Use random_int with PHP 7

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othercorey 2020-05-23 11:12:46 -05:00 committed by GitHub
parent 59e12788fc
commit 01d5d039f3
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1 changed files with 9 additions and 8 deletions
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17
lib/Cake/Utility/CakeText.php
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@ -30,23 +30,24 @@ class CakeText {
* @return string RFC 4122 UUID
*/
public static function uuid() {
$random = function_exists('random_int') ? 'random_int' : 'mt_rand';
return sprintf(
'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
// 32 bits for "time_low"
mt_rand(0, 65535),
mt_rand(0, 65535),
$random(0, 65535),
$random(0, 65535),
// 16 bits for "time_mid"
mt_rand(0, 65535),
$random(0, 65535),
// 12 bits before the 0100 of (version) 4 for "time_hi_and_version"
mt_rand(0, 4095) | 0x4000,
$random(0, 4095) | 0x4000,
// 16 bits, 8 bits for "clk_seq_hi_res",
// 8 bits for "clk_seq_low",
// two most significant bits holds zero and one for variant DCE1.1
mt_rand(0, 0x3fff) | 0x8000,
$random(0, 0x3fff) | 0x8000,
// 48 bits for "node"
mt_rand(0, 65535),
mt_rand(0, 65535),
mt_rand(0, 65535)
$random(0, 65535),
$random(0, 65535),
$random(0, 65535)
);
}