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@ 2014-09-28T14:41:44Z

<?php

function mymodule_decrypt_value($string) {
  // Si es una cadena vacía no hay nada que hacer
  if (empty($string)) {
    return FALSE;
  }

  $key ="12EstaClave34es56dificil489ssswf";
  $iv  ="Imphartoz.37hAES";
  
  if (empty($key)) {
    watchdog('mymodule', 'No hay una clave para descifrar.', array(), WATCHDOG_ERROR);
    return FALSE;
  }

  if (empty($iv)) {
    watchdog('mymodule', 'No hay un vector de inicialización para descifrar.', array(), WATCHDOG_ERROR);
    return FALSE;
  }
  $plaintext_dec = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, base64_decode($string), MCRYPT_MODE_CBC, $iv);

  // Eliminar el padding
  return mymodule_unpadPKCS7($plaintext_dec);
}

function mymodule_unpadPKCS7($data) {
  $last = substr($data, -1);
  return substr($data, 0, strlen($data) - ord($last));
}


  mymodule_decrypt_value("V36B+ya6eMwElOoxswqGBw==");
  echo "<h1>Hello, PHP!</h1>";
?>

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined function mcrypt_decrypt() in /in/7Xo8n:21 Stack trace: #0 /in/7Xo8n(33): mymodule_decrypt_value('V36B+ya6eMwElOo...') #1 {main} thrown in /in/7Xo8n on line 21
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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