PHP Password Generation class

Source: Internet
Author: User
php Password Generation class

Function:

1. Can set the password length.

2. Can set the number of passwords to generate, batch generation.

3. You can specify password rules, letters, numbers, special characters, etc.


GeneratePassword.class.php


<?php/** Generate Password class, generates password* date:2013-12-23* author:fdipzone* ver:1.0** func:* according to specified rules Public batchgenerate bulk Generate password * Private generate generate a single password * Private getletter get the letter * Private GetNumber Get number                            Word * Private getspecial get special characters */class generatepassword{//class start//password rules default private $_rule = Array ( ' Letter ' = 1, ' number ' = 1, ' Speci    Al ' = 1);                 Private $_length = 8;                    Password length private $_num = 1; Number of passwords private $_special = '!@#$%^&* () _+=-';    Allowed special characters/** initialize * @param int $length password length * @param int $num number of passwords * @param Array $rule Password rules        * @param String $special allowed special characters */Public function __construct ($length =8, $num =1, $rule =array (), $special = ')} { if (Isset ($length) && is_numeric ($length) && $length >=4 && $length <=50) {//length $this->_length = $length; } if (Isset ($num) && is_numeric ($num) && $num >0 && $num <=100) {//Quantity $this-        >_num = $num;  } if (Isset ($special) && is_string ($special) && $special! = ") {//special characters $this->_special        = $special;            } if ($rule) {//rule $t _rule = array ();                if (Isset ($rule [' letter]) && In_array ($rule [' letter '], array (1,2,3,4,5))) {//1: Optional 2: Must 3: Must lowercase 4: Must be uppercase 5: case must be            $t _rule[' letter ') = $rule [' Letter ']; } if (Isset ($rule [' number ']) && in_array ($rule [' number '], array)) {//1: Optional 2: Must $t _            rule[' number '] = $rule [' number ']; } if (Isset ($rule [' Special ']) && in_array ($rule [' Special '], array ()) {//1: Optional 2: Must be $            t_rule[' special '] = $rule [' Special ']; } if ($t _rule) {$this->_rUle = $t _rule;        }}}/** bulk generate password * @return Array */Public function batchgenerate () {$passwords = Array ();        for ($i =0; $i < $this->_num; $i + +) {Array_push ($passwords, $this->generate ());    } return $passwords;        }/** generates a single password * @return String */Private function Generate () {$password = ';        $pool = ";        $force _pool = ";            if (isset ($this->_rule[' letter ')) {$letter = $this->getletter (); Switch ($this->_rule[' letter ')} {case 2: $force _pool. = substr ($letter, Mt_rand (0,strl                    En ($letter)-1), 1);                Break                    Case 3: $force _pool. = Strtolower (substr ($letter, Mt_rand (0,strlen ($letter)-1), 1));                    $letter = Strtolower ($letter);                Break Case 4: $force _pool. = Strtoupper (substr ($letter, Mt_rand (0,strlen ($letter)-1), 1);                    $letter = Strtoupper ($letter);                Break                    Case 5: $force _pool. = Strtolower (substr ($letter, Mt_rand (0,strlen ($letter)-1), 1));                    $force _pool. = Strtoupper (substr ($letter, Mt_rand (0,strlen ($letter)-1), 1));            Break        } $pool. = $letter;            } if (Isset ($this->_rule[' number ')) {$number = $this->getnumber (); Switch ($this->_rule[' number ']) {case 2: $force _pool. = substr ($number, Mt_rand (0,strl                    En ($number)-1), 1);            Break        } $pool. = $number;            } if (Isset ($this->_rule[' Special ')) {$special = $this->getspecial (); Switch ($this->_rule[' special ') {Case 2: $force _pool. = substr ($special, Mt_rand (0,st                    Rlen ($special)-1), 1);            Break } $pool . = $special; } $pool = Str_shuffle ($pool); Randomly disturbed $password = Str_shuffle ($force _pool. substr ($pool, 0, $this->_length-strlen ($force _pool));    Again randomly disrupts return $password;        }/** Letter */Private Function Getletter () {$letter = ' aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz ';    return $letter;        }/** number */Private Function GetNumber () {$number = ' 1234567890 ';    return $number;        }/** Special character */Private function getspecial () {$special = $this->_special;    return $special; }}//Class end?>


Demo


<?phprequire ' GeneratePassword.class.php '; $rule = array (    ' letter ' = = 5,//must contain uppercase and lowercase    ' number ' = 2,//Required shall contain the number    ' special ' and 2//must contain special characters); $special = '!@#$%_-'; $obj = new Generatepassword (8, $rule, $special); $passwor ds = $obj->batchgenerate (); Echo implode (' <br> ', $passwords);? >


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