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<?php |
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/** |
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* The MIT License |
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* |
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* Copyright 2017 Julien Fastré <[email protected]>. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace i3Soft\CDA\Helper; |
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use i3Soft\CDA\DataType\Identifier\InstanceIdentifier; |
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/** |
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* @author Julien Fastré <[email protected]> |
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*/ |
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class IdentifierHelper |
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{ |
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/** |
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* @return InstanceIdentifier |
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* @throws \Exception |
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*/ |
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public static function generateRandomIdentifier (): InstanceIdentifier |
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{ |
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return new InstanceIdentifier(self::generateUUID()); |
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} |
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/** |
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* @return string |
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* @throws \Exception |
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* @link http://stackoverflow.com/a/15875555/1572236 |
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*/ |
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public static function generateUUID (): string |
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{ |
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$data = random_bytes(16); |
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$data[6] = \chr(\ord($data[6]) & 0x0f | 0x40); // set version to 0100 |
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$data[8] = \chr(\ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10 |
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return \strtoupper(\vsprintf('%s%s-%s-%s-%s-%s%s%s', \str_split(\bin2hex($data), 4))); |
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} |
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} |
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pgee70 /
cda
