Alleen de functie: /** * This function creates a random password. It accepts several parameters for maximum flexibility. It is * possible to set the length of the password which will be returned. The developer can also choose which * kind of characters he/she would like to allow. If the sixth parameter is supplied with a string, those * characters will be used for the generation of the password. If all parameters are set to false the * returned password will use only lowercase characters. * * @version 1.0 * @author Nick Smit * @author Gerard Klomp * @license MIT License - http://www.sitemasters.be/mit-license.txt * @param integer $length[optional] The length of the password * @param boolean $lowercase[optional] Should the function use lowercase characters, default value is true * @param boolean $uppercase[optional] Should the function use uppercase characters, default value is true * @param boolean $numeric[optional] Should the function use numeric characters, default value is true * @param boolean $special[optional] Should the function use special symbols, default value is false * @param string $availableCharacters[optional] This parameter accepts a string with characters which are used for generation of the password * @return string The randomly created password */ function createPassword($length = 8, $lowercase = true, $uppercase = true, $numeric = true, $special = false, $availableCharacters = null) { $generatedPassword = ''; if (is_null($availableCharacters)) { $lowercaseCharacters = 'abcdefghijklmnopqrstuvwxyz'; $uppercaseCharacters = strtoupper($lowercaseCharacters); $numericCharacters = '0123456789'; $specialCharacters = '!@#$%^&'; $availableCharacters = ($lowercase ? $lowercaseCharacters : '') . ($uppercase ? $uppercaseCharacters : '') . ($numeric ? $numericCharacters : '') . ($special ? $specialCharacters : ''); $availableCharacters = strlen($availableCharacters) == 0 ? str_shuffle($lowercase) : str_shuffle($availableCharacters); } for ($i = 0; $i < $length; $i++) { $generatedPassword .= substr($availableCharacters, rand(0, strlen($availableCharacters) - 1), 1); } return $generatedPassword; } Voorbeeld voor gebruik: [code=PHP] Password Generator Voorbeeld