70 lines
1.2 KiB
PHP
70 lines
1.2 KiB
PHP
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<?php
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/**
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* LiteSpeed String Operator Library Class
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*
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* @since 1.3
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*/
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namespace LiteSpeed;
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defined('WPINC') || exit();
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class Str
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{
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/**
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* Generate random string
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*
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* @since 1.3
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* @access public
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* @param int $len Length of string
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* @param int $type 1-Number 2-LowerChar 4-UpperChar
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* @return string
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*/
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public static function rrand($len, $type = 7)
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{
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mt_srand((int) ((float) microtime() * 1000000));
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switch ($type) {
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case 0:
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$charlist = '012';
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break;
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case 1:
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$charlist = '0123456789';
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break;
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case 2:
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$charlist = 'abcdefghijklmnopqrstuvwxyz';
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break;
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case 3:
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$charlist = '0123456789abcdefghijklmnopqrstuvwxyz';
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break;
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case 4:
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$charlist = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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break;
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case 5:
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$charlist = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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break;
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case 6:
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$charlist = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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break;
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case 7:
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$charlist = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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break;
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}
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$str = '';
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$max = strlen($charlist) - 1;
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for ($i = 0; $i < $len; $i++) {
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$str .= $charlist[mt_rand(0, $max)];
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}
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return $str;
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}
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}
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