Jenna's Password Generator

This shows demonstrates string manipulation techniques. Enter values below to generate a secure password.

Final Password Generation

default123de

Case Conversion

Uppercase: DEFAULT123DE
Lowercase: default123de

Character Replacement

No replacement selected.

ASCII Characters

Password Length: 12

Character (d)
            ASCII[100] Position 0
Character (e)
            ASCII[101] Position 1
Character (f)
            ASCII[102] Position 2
Character (a)
            ASCII[97] Position 3
Character (u)
            ASCII[117] Position 4
Character (l)
            ASCII[108] Position 5
Character (t)
            ASCII[116] Position 6
Character (1)
            ASCII[49] Position 7
Character (2)
            ASCII[50] Position 8
Character (3)
            ASCII[51] Position 9
Character (d)
            ASCII[100] Position 10
Character (e)
            ASCII[101] Position 11

---

Generate a Password

Word 1:

Word 2:

Number

Password Length:

Replace vowels with special characters

---

CODE FOLLOWS

<?php
include('../includes/header.php');

error_reporting(E_ALL);    // set error reporting to all

?>

    <h1>Jenna's Password Generator</h1>

    <p>
        This shows demonstrates string manipulation techniques.
        Enter values below to generate a secure password.
    </p>

<?php

// Initialize variables
$word1 = '';
$word2 = '';
$number = '';
$length = 12;
$includeSpecial = false;

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $word1 = trim($_POST["word1"]);
    $word2 = trim($_POST["word2"]);
    $number = trim($_POST["number"]);
    $length = (int)$_POST["length"];
    $includeSpecial = isset($_POST["special"]);

    echo "<h2>Results</h2>\n";

    echo "<h3> Original Input</h3>\n";
    echo "<p>Word 1: $word1<br>";
    echo "Word 2: $word2<br>";
    echo "Number: $number</p>";

    // combine strings
    $base = $word1 . $word2 . $number;

    echo "<h3> Combined Strings</h3>\n";
    echo "<p>$base</p>";

    // string length
    echo "<h3>String Length</h3>\n";
    echo "<p>Length of combined string: " . strlen($base) . "</p>\n";

    // string position
    echo "<h3> Searching String Position</h3>\n";
    $position = strpos($base, 'a');

    if ($position !== false) {
        echo "<p>The first occurrence of 'a' is at position $position</p>\n";
    } else {
        echo "<p>The letter 'a' does not appear in th string.</p>\n";
    }
}
        //remove all spaces
        $base = str_replace(' ', '', $base);

        if(strlen($base) == 0)
            $base = "default123";
        while (strlen($base) < $length) {
            $base .= $base;
        }
        //Trim
        $password = substr($base, 0, $length);

        echo "<h3>Final Password Generation</h3>\n";
        echo "<p>$password</p>";

        //Case conversion
        echo "<h3> Case Conversion</h3>\n";
        echo "<p>Uppercase: " . strtoupper($password) . "<br>";
        echo "Lowercase: " . strtolower($password) . "</p>\n";

        //Replace with another character
        echo "<h3>Character Replacement</h3>\n";

        if ($includeSpecial) {
            $password = str_replace(
                    array('a', 'e', 'i', 'o', 's'),
                    array('@', '3', '!', '0', '$'),
                    $password
            );
            echo "<p>After replacement: $password</p>\n";
        }
        else
        {
            echo "<p>No replacement selected.</p>\n";
        }

        //ASCII characters
        echo "<h3>ASCII Characters</h3>\n";
        echo "<p>Password Length: " . strlen($password) . "</p>\n";

        echo "<pre>";
        for ($i = 0; $i < strlen($password); $i ++) {
            echo "Character (" . $password[$i] . ")
            ASCII[" . ord($password[$i]) . "] Position $i\n";
        }
        echo "</pre>";
        ?>

<hr>
<h2>Generate a Password</h2>

<form method="post" action="">
    <p>Word 1:<br>
    <input type="text" name="word1" value="<?php echo $word1; ?>"></p>
    <p>Word 2:<br>
    <input type="text" name="word2" value="<?php echo $word2; ?>"></p>
    <p>Number<br>
    <input type="text" name="number" value="<?php echo $number; ?>"></p>
    <p>Password Length:<br>
    <input type="number" name="length"value="<?php echo $length; ?>" min="4" max="25"></p>
    <p><input type="checkbox" name="special" <?php if ($includeSpecial) echo "checked"; ?>>
    Replace vowels with special characters</p>
    <p><input type="submit" value="Generate Password"></p>
</form>

<?php
include('../includes/footer.php');
?>

---