<?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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