Created
December 10, 2023 18:18
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OOP based password generator in PHP
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| <?php | |
| class Password_Manager { | |
| private $length; | |
| private $useUppercase; | |
| private $useLowercase; | |
| private $useDigits; | |
| private $useSpecialChars; | |
| private $password; | |
| function generatePassword() { | |
| if ( ! isset( $_POST['generate'] ) ) { | |
| return; | |
| } | |
| $this->length = htmlspecialchars( isset( $_POST['length'] ) ? $_POST['length'] : 6 ); | |
| $this->useUppercase = htmlspecialchars( isset( $_POST['uppercase'] ) ? $_POST['uppercase'] : false ); | |
| $this->useLowercase = htmlspecialchars( isset( $_POST['lowercase'] ) ? $_POST['lowercase'] : false ); | |
| $this->useDigits = htmlspecialchars( isset( $_POST['digits'] ) ? $_POST['digits'] : false ); | |
| $this->useSpecialChars = htmlspecialchars( isset( $_POST['special'] ) ? $_POST['special'] : false ); | |
| $formats = array( | |
| 'uppercase' => 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', | |
| 'lowercase' => 'abcdefghijklmnopqrstuvwxyz', | |
| 'digits' => '0123456789', | |
| 'special' => '!@#$%^&*()_+-=[]{}|;:,.<>?', | |
| ); | |
| $selectedFormats = 0; | |
| if ( $this->useUppercase ) { | |
| $selectedFormats++; | |
| } | |
| if ( $this->useLowercase ) { | |
| $selectedFormats++; | |
| } | |
| if ( $this->useDigits ) { | |
| $selectedFormats++; | |
| } | |
| if ( $this->useSpecialChars ) { | |
| $selectedFormats++; | |
| } | |
| if ( $selectedFormats === 0 ) { | |
| return 'Please select at least one character format.'; | |
| } | |
| $this->password = ''; | |
| $charactersPerFormat = floor( $this->length / $selectedFormats ); | |
| while ( $this->length > 0 ) { | |
| if ( $this->useUppercase && $this->length > 0 ) { | |
| $shuffledStr = str_shuffle( $formats['uppercase'] ); | |
| $randomSubset = substr( $shuffledStr, 0, $charactersPerFormat ); | |
| $this->password .= $randomSubset; | |
| $this->length = $this->length - $charactersPerFormat; | |
| } | |
| if ( $this->useLowercase && $this->length > 0 ) { | |
| $shuffledStr = str_shuffle( $formats['lowercase'] ); | |
| $randomSubset = substr( $shuffledStr, 0, $charactersPerFormat ); | |
| $this->password .= $randomSubset; | |
| $this->length = $this->length - $charactersPerFormat; | |
| } | |
| if ( $this->useDigits && $this->length > 0 ) { | |
| $shuffledStr = str_shuffle( $formats['digits'] ); | |
| $randomSubset = substr( $shuffledStr, 0, $charactersPerFormat ); | |
| $this->password .= $randomSubset; | |
| $this->length = $this->length - $charactersPerFormat; | |
| } | |
| if ( $this->useSpecialChars && $this->length > 0 ) { | |
| $shuffledStr = str_shuffle( $formats['special'] ); | |
| $randomSubset = substr( $shuffledStr, 0, $charactersPerFormat ); | |
| $this->password .= $randomSubset; | |
| $this->length = $this->length - $charactersPerFormat; | |
| } | |
| } | |
| $this->password = str_shuffle( $this->password ); | |
| return $this->password; | |
| } | |
| } | |
| $password_manager = new Password_Manager(); | |
| $generated_password = $password_manager->generatePassword(); | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Coding Arena</title> | |
| <link href="https://fonts.googleapis.com/css?family=Montserrat:400,500,600,700" rel="stylesheet"> | |
| <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/js/bootstrap.min.js" integrity="sha384-cuYeSxntonz0PPNlHhBs68uyIAVpIIOZZ5JqeqvYYIcEL727kskC66kF92t6Xl2V" crossorigin="anonymous"></script> | |
| <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.3/dist/css/bootstrap.min.css" integrity="sha384-rbsA2VBKQhggwzxH7pPCaAqO46MgnOM80zW1RWuH61DGLwZJEdK2Kadq2F9CUG65" crossorigin="anonymous"> | |
| <style> | |
| * { | |
| font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Oxygen-Sans", Ubuntu, "Cantarell", "Helvetica Neue", sans-serif; | |
| } | |
| body { | |
| font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Oxygen-Sans", Ubuntu, "Cantarell", "Helvetica Neue", sans-serif; | |
| background-color: #f2f2f2; | |
| margin: 0; | |
| padding: 0; | |
| display: flex; | |
| flex-direction: column; | |
| align-items: center; | |
| justify-content: center; | |
| height: 100vh; | |
| } | |
| .container { | |
| background-color: #fff; | |
| padding: 20px; | |
| border-radius: 5px; | |
| box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); | |
| max-width: 600px; | |
| } | |
| h1, h2, h3 { | |
| color: #333; | |
| } | |
| div { | |
| background-color: #f5f5f5; | |
| padding: 5px; | |
| color: #4f4f4f; | |
| border: 1px solid #ddd; | |
| border-radius: 3px; | |
| display: block; | |
| } | |
| /* Style input fields and buttons */ | |
| /* Add more styles as needed */ | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h1>My Coding Arena</h1> | |
| <p>The code shows here:</p> | |
| <div> | |
| <h2>Password Generator</h2> | |
| <form action="" method="post"> | |
| <div class="form-group"> | |
| <label for="length">Password Length:</label> | |
| <input type="text" class="form-control" name="length" id="length" min="6" required> | |
| </div> | |
| <div class="mt-3"></div> | |
| <div class="form-check"> | |
| <input type="checkbox" class="form-check-input" name="uppercase" id="uppercase"> | |
| <label class="form-check-label" for="uppercase">Include Uppercase Letters</label> | |
| </div> | |
| <div class="form-check"> | |
| <input type="checkbox" class="form-check-input" name="lowercase" id="lowercase"> | |
| <label class="form-check-label" for="lowercase">Include Lowercase Letters</label> | |
| </div> | |
| <div class="form-check"> | |
| <input type="checkbox" class="form-check-input" name="digits" id="digits"> | |
| <label class="form-check-label" for="digits">Include Digits</label> | |
| </div> | |
| <div class="form-check"> | |
| <input type="checkbox" class="form-check-input" name="special" id="special"> | |
| <label class="form-check-label" for="special">Include Special Characters</label> | |
| </div> | |
| <button type="submit" class="btn btn-primary" name="generate">Generate Password</button> | |
| </form> | |
| <div class="mt-3"></div> | |
| <!-- Template View --> | |
| <h2>Generated Password:</h2> | |
| <p><?php echo htmlspecialchars($generated_password); ?></p> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |
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