PHP Secure Password Generator - Strong Random Passwords

Generate cryptographically secure passwords in PHP with customizable length, character sets, strength checking, and passphrase creation features.

PHP Code Editor

<?php
/**
* Secure Password Generator
* Generate cryptographically secure random passwords with customizable options
*/
class PasswordGenerator
{
const LOWERCASE = 'abcdefghijklmnopqrstuvwxyz';
const UPPERCASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
const NUMBERS = '0123456789';
const SYMBOLS = '!@#$%^&*()_+-=[]{}|;:,.<>?';
const SAFE_SYMBOLS = '!@#$%&*+-=?';
/**
* Generate secure random password
*/
public static function generate($length = 12, $options = [])
{
$defaults = [
'include_lowercase' => true,
'include_uppercase' => true,
'include_numbers' => true,
'include_symbols' => true,
'safe_symbols_only' => false,
 
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PHP Version

Execution Result

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Click the "Run Script" button to see the output here

Description

This comprehensive PHP password generator creates cryptographically secure random passwords with extensive customization options. The class supports multiple character sets including lowercase, uppercase, numbers, and symbols, with options to exclude similar-looking characters and use only safe symbols.
Key features include configurable minimum requirements for different character types, password strength analysis with scoring and feedback, multiple password generation, and passphrase creation using word lists. The strength checker evaluates passwords on length, character variety, and common patterns.
Perfect for user registration systems, password reset functionality, security applications, and any project requiring strong password generation. The code uses PHP’s secure random_int() function for cryptographically safe randomness and includes comprehensive examples showing different use cases.
The snippet also provides passphrase generation for memorable yet secure passwords and detailed strength analysis to help users create better passwords. All functions are designed for easy integration into existing applications.

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