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1. Generate random password

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   A fully password generator.

    1 <?php
    2 
    3 /**
    4  * Generate random password
    5  * 
    6  * @param integer $length Length of the generated password
    7  * @param boolean $allow_uppercase
    8  * @param boolean $allow_lowercase
    9  * @param boolean $allow_numbers
   10  * @param boolean $allow_special
   11  * @param boolean $fix_similar  If true, check if string contains mistakeable chars, add if accepted
   12  * @param string $valid_charset
   13  * @return string
   14  */
   15 function rpassword($length = 8, $allow_uppercase = 1, $allow_lowercase = 1, $allow_numbers = 1, $allow_special = 0, $fix_similar = 0, $valid_charset = "") {
   16 	// Create a list of usable chars based upon the parameters
   17 	if (!$valid_charset) {
   18 		if ($allow_uppercase) $valid_charset .= 'ABCDEFGHIJKLMNOPQRSTUVXYZ';
   19 		if ($allow_lowercase) $valid_charset .= 'abcdefghijklmnopqrstuvxyz';
   20 		if ($allow_numbers) $valid_charset .= '0123456789';
   21 		if ($allow_special) $valid_charset .= '!#$%&()*+-./;<=>@\_';
   22 	}
   23 	// Find the charset length
   24 	$charset_length = strlen($valid_charset);
   25 	// If no chars is allowed, return false
   26 	if ($charset_length == 0) return false;
   27 	// Initialize the password and loop till we have all
   28 	$password = "";
   29 	while(strlen($password) < $length) {
   30 		// Pull out a random char
   31 		$char = $valid_charset[mt_rand(0, ($charset_length-1))];
   32 		
   33 		if (($fix_similar && !strpos('O01lI5S', $char)) || !$fix_similar) $password .= $char;
   34 	}
   35 
   36 	return $password;
   37 }
   

   Posted by Xrogaan to php generate password random customizable ... saved by 2 persons ... 0 comments ... 11 months, 3 weeks

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