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Generating random hash

/ Published in: PHP
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I'm using this to send verification emails.

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  1. function generateHash(){
  2. 	$result = "";
  3. 	$charPool = '0123456789abcdefghijklmnopqrstuvwxyz';
  4. 	for($p = 0; $p<15; $p++)
  5. 		$result .= $charPool[mt_rand(0,strlen($charPool)-1)];
  6. 	return sha1(md5(sha1($result)));
  7. }

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