PHP generates random string functions

PHP generates random string functions
/**
* Generate random strings
*
* Generates a random string of the specified length and returns it to the user.
*
* @ Access public
* @ Param int $ len: number of digits of the string generated
* @ Return string
*/
Function randStr ($ len = 6 ){
$ Chars = 'abdefghjklmnpqrstvwxyabdefghijkmnpqrstvwxy23456789 # % * '; // characters to build the password from
Mt_srand (double) microtime () * 1000000 * getmypid (); // seed the random number generater (must be done)
$ Password = '';
While (strlen ($ password) <$ len)
$ Password. = substr ($ chars, (mt_rand () % strlen ($ chars), 1 );
Return $ password;
}

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