Online PHP editor | output for n9H4e

@ 2014-03-18T00:01:42Z

<?php
 
function getKey($seed='no seed??') {
  return hash('sha256', $seed, 1);
}
 
function encrypt($key, $string) {
  $size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC);
  $iv = mcrypt_create_iv($size, MCRYPT_RAND);
  $encrypted_string = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $string, MCRYPT_MODE_CBC, $iv);
  return base64_encode($iv . $encrypted_string);
}
 
function decrypt($key, $encoded_string) {
  $binary = base64_decode($encoded_string);
  $size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC);
  
  $iv = substr($binary, 0, $size);
  $encrypted_string = substr($binary, $size);
  
  return mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $encrypted_string, MCRYPT_MODE_CBC, $iv);
}
 
$key = getKey('Some Secret String');
$encrypted = encrypt($key, 'This is a string that will be encrypted');
echo decrypt($key, $encrypted);

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Call to undefined function mcrypt_get_iv_size() in /in/n9H4e:8 Stack trace: #0 /in/n9H4e(25): encrypt('\x18\xAA\x853\xF6\xBD\xC1\xE3"\xEB\x078\xE5G\xC1...', 'This is a strin...') #1 {main} thrown in /in/n9H4e on line 8
Process exited with code 255.
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38: Fatal error: Call to undefined function mcrypt_get_iv_size() in /in/n9H4e on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1: Fatal error: Call to undefined function hash() in /in/n9H4e on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: hash() in /in/n9H4e on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: hash() in /in/n9H4e on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: hash() in /in/n9H4e on line 4

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