global.php

<?php

function make($name)
{
    global $generators;

    if (!isset($generators[$name])) {
        return;
    }

    return $generators[$name]['function']();
}

function random($length = 9, $add_dashes = false, $available_sets = 'luds', $special_chars = '!@#$%&*?')
{
    $sets = [];

    if (strpos($available_sets, 'l') !== false) {
        $sets[] = 'abcdefghjkmnpqrstuvwxyz';
    }

    if (strpos($available_sets, 'u') !== false) {
        $sets[] = 'ABCDEFGHJKMNPQRSTUVWXYZ';
    }

    if (strpos($available_sets, 'd') !== false) {
        $sets[] = '23456789';
    }

    if (strpos($available_sets, 's') !== false) {
        $sets[] = $special_chars;
    }

    $all = '';
    $password = '';
    foreach ($sets as $set) {
        $password .= $set[array_rand(str_split($set))];
        $all .= $set;
    }

    $all = str_split($all);
    for ($i = 0; $i < $length - count($sets); $i++) {
        $password .= $all[array_rand($all)];
    }

    $password = str_shuffle($password);
    if (!$add_dashes) {
        return $password;
    }

    $dash_len = floor(sqrt($length));
    $dash_str = '';
    while (strlen($password) > $dash_len) {
        $dash_str .= substr($password, 0, $dash_len).'-';
        $password = substr($password, $dash_len);
    }

    $dash_str .= $password;

    return $dash_str;
}

function generateRandomWPAKey($bits)
{
    $in_bits = ['160', '504'];

    if (in_array($bits, $in_bits)) {
        $buytes = $bits / 8;
        $WPAKey = 'NipPBM4AQkqCI5ThDOxJ6GocFKzjsd9SLbWXfR8Z1ywV72t3UmvEa0HeugnrlY';
        $key = substr(str_shuffle($WPAKey), 0, $buytes);

        return $key;
    }
}

function generateRandomWEPKey($bits)
{
    $in_bits = ['64', '128', '152', '256'];

    if (in_array($bits, $in_bits)) {
        $buytes = $bits / 8;
        $WEPKey = 'APWNZFpn8VYU5aOiMj9mvkH37hXd4T0btIgzf6JGeRBDCQ2rEs1lSwyKuoqLcx';

        return substr(str_shuffle($WEPKey), 0, $buytes);
    }
}

function generateRandomSHAKey($bits)
{
    $random_pass = random(15);

    if ($bits == 512) {
        return hash('sha512', $random_pass);
    } elseif ($bits == 256) {
        return hash('sha256', $random_pass);
    } elseif ($bits == 128) {
        return hash('md5', $random_pass);
    }
}

$generators = [
    'password' => [
        'name'     => 'Decent Password',
        'function' => function () {
            return random(10, false, 'lud');
        },
    ],

    'strongpassword' => [
        'name'     => 'Strong Password',
        'function' => function () {
            return random(15);
        },
    ],

    'verystrongpassword' => [
        'name'     => 'Very Strong Password',
        'function' => function () {
            return random(30);
        },
    ],

    'codeigniter' => [
        'name'     => 'CodeIgniter Encryption Key',
        'function' => function () {
            return random(32);
        },
    ],

    'laravel' => [
        'name'     => 'Laravel Encryption Key',
        'function' => function () {
            return random(32, false, 'lud');
        },
    ],

    'wordpress' => [
        'name'     => 'Wordpress Key',
        'function' => function () {
            return random(64, false, 'luds', '$!#%&/()=*@-_.:,; <>');
        },
    ],

    'wpa160' => [
        'name'     => 'WPA 160-bit Key',
        'function' => function () {
            return generateRandomWPAKey(160);
        },
    ],

    'wpa504' => [
        'name'     => 'WPA 504-bit Key',
        'function' => function () {
            return generateRandomWPAKey(504);
        },
    ],

    'wep64' => [
        'name'     => 'WEP 64-bit Key',
        'function' => function () {
            return generateRandomWEPKey(64);
        },
    ],

    'wep128' => [
        'name'     => 'WEP 128-bit Key',
        'function' => function () {
            return generateRandomWEPKey(128);
        },
    ],

    'wep152' => [
        'name'     => 'WEP 152-bit Key',
        'function' => function () {
            return generateRandomWEPKey(152);
        },
    ],

    'wep256' => [
        'name'     => 'WEP 256-bit Key',
        'function' => function () {
            return generateRandomWEPKey(256);
        },
    ],

    'crc32' => [
        'name'     => 'CRC32 Key',
        'function' => function () {
            return crc32(random(15));
        },
    ],
    'sha512' => [
        'name'     => 'SHA 512-bit Key',
        'function' => function () {
            return generateRandomSHAKey(512);
        },
    ],

    'sha256' => [
        'name'     => 'SHA 256-bit Key',
        'function' => function () {
            return generateRandomSHAKey(256);
        },
    ],

    'sha128' => [
        'name'     => 'SHA 128-bit Key',
        'function' => function () {
            return generateRandomSHAKey(128);
        },
    ],
];