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