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Many time in registration page or forgotten password, the new password should be generated to sent. This code will help to generate random password.

 PHP | 
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/**
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 * Function to generate random password
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 * @param $length length of password require
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 */
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function getPassword($length)
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	{
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		srand(date("s"));
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		$possible_charactors = "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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		$string = "";
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		while(strlen($string)<$length) {
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			$string .= substr($possible_charactors, rand()%(strlen($possible_charactors)),1);
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		}
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		return($string);
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	}
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