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@ 2016-05-25T14:39:56Z

<?php


    // Set the method
    $method = 'AES-128-CBC';

    // Set the encryption key
    $encryption_key = 'myencryptionkey';

    // Generet a random initialisation vector
    $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length($method));

    // Define the date to be encrypted
    $data = "Encrypt me, please!";

    var_dump("Before encryption: $data");

    // Encrypt the data
    $encrypted = openssl_encrypt($data, $method, $encryption_key, 0, $iv);

    var_dump("Encrypted: ${encrypted}");

    // Append the vector at the end of the encrypted string
    $encrypted = $encrypted . ':' . $iv;
    var_dump($encrypted);

    // Explode the string using the `:` separator.
    $parts = explode(':', $encrypted);
    var_dump("COUNT: " . count($parts));

    // Decrypt the data
    $decrypted = openssl_decrypt($parts[0], $method, $encryption_key, 0, $parts[1]);

    var_dump("Decrypted: ${decrypted}");

Output for 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1: Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/3ObfJ on line 21 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/3ObfJ on line 34 Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/3ObfJ:11 Stack trace: #0 {main} thrown in /in/3ObfJ on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30: Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/3ObfJ:11 Stack trace: #0 {main} thrown in /in/3ObfJ on line 11
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Call to undefined function openssl_random_pseudo_bytes() in /in/3ObfJ on line 11
Process exited with code 255.

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