58 lines
1.4 KiB
PHP
58 lines
1.4 KiB
PHP
<?php
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function createUUID()
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{
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if (function_exists('com_create_guid') === true) {
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return trim(com_create_guid(), '{}');
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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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mt_rand(0, 65535),
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mt_rand(0, 65535),
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mt_rand(0, 65535),
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mt_rand(16384, 20479),
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mt_rand(32768, 49151),
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mt_rand(0, 65535),
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mt_rand(0, 65535),
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mt_rand(0, 65535)
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);
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}
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function safeString($string)
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{
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return strtolower(
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trim(
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preg_replace(
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'~[^0-9a-z]+~i',
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'_',
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html_entity_decode(
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preg_replace(
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'~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|th|tilde|uml);~i',
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'$1',
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htmlentities($string, ENT_QUOTES, 'UTF-8')
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),
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ENT_QUOTES,
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'UTF-8'
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)
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),
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'-'
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)
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);
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}
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function randomString(int $length)
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{
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$alphanum = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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$special = '*&!@%^#$';
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$alphabet = $alphanum . $special;
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$random = openssl_random_pseudo_bytes($length);
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$alphabet_length = strlen($alphabet);
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$string = '';
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for ($i = 0; $i < $length; ++$i) {
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$string .= $alphabet[ord($random[$i]) % $alphabet_length];
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}
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return $string;
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}
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