Random string generator function in php suniqid

Here is a a smaller version of the built in php function uniqid() uses letters and numbers and specify the length of the random string.

PHP

public function suniqid($len = 5) {
		$seed = str_split('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'); // allowed characters
		shuffle($seed); // shuffle the array
		$rand = '';
		foreach (array_rand($seed, $len) as $x) $rand .= $seed[$x];
		return $rand;
	}
Enter a number to change the Lenth of the random string.

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