4ae1c2bde0
Start moving all basic class methods into dedicated classes. Most of them are static and can be direct called. No need to group them into one big class that is hard to maintain and check. Work is ongoing
67 lines
1.6 KiB
PHP
67 lines
1.6 KiB
PHP
<?php declare(strict_types=1);
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namespace CoreLibs\Create;
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class Uids
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{
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/**
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* creates psuedo random uuid v4
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* Code take from class here:
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* https://www.php.net/manual/en/function.uniqid.php#94959
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* @return string pseudo random uuid v4
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*/
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public static function uuidv4(): string
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{
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return sprintf(
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'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
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// 32 bits for "time_low"
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mt_rand(0, 0xffff),
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mt_rand(0, 0xffff),
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// 16 bits for "time_mid"
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mt_rand(0, 0xffff),
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// 16 bits for "time_hi_and_version",
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// four most significant bits holds version number 4
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mt_rand(0, 0x0fff) | 0x4000,
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// 16 bits, 8 bits for "clk_seq_hi_res",
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// 8 bits for "clk_seq_low",
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// two most significant bits holds zero and one for variant DCE1.1
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mt_rand(0, 0x3fff) | 0x8000,
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// 48 bits for "node"
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mt_rand(0, 0xffff),
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mt_rand(0, 0xffff),
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mt_rand(0, 0xffff)
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);
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}
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/**
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* TODO: make this a proper uniq ID creation
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* add uuidv4 subcall to the uuid function too
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* creates a uniq id
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* @param string $type uniq id type, currently md5 or sha256 allowed
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* if not set will use DEFAULT_HASH if set
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* @return string uniq id
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*/
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public static function uniqId(string $type = ''): string
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{
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$uniq_id = '';
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switch ($type) {
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case 'md5':
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$uniq_id = md5(uniqid((string)rand(), true));
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break;
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case 'sha256':
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$uniq_id = hash('sha256', uniqid((string)rand(), true));
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break;
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default:
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$hash = 'sha256';
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if (defined(DEFAULT_HASH)) {
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$hash = DEFAULT_HASH;
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}
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$uniq_id = hash($hash, uniqid((string)rand(), true));
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break;
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}
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return $uniq_id;
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}
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}
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// __END__
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