ende-crypt.php

<?php   
   const OPENSSL_ENCRYPTz = 0;
   const OPENSSL_DECRYPTz = 1;
   function OpenSSLEndeCrypt($action = OPENSSL_ENCRYPTz, $string = '', $ende_options = OPENSSL_RAW_DATA, $encrypt_method = "AES-256-CBC") 
   {
      $output = NULL;
      $key = hash("sha256", openssl_random_pseudo_bytes(32), True);
      $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length($encrypt_method));
      if ($action == OPENSSL_ENCRYPTz) 
      {
          $output = ($output['OPENSSL_ENCRYPT'] = base64_encode(openssl_encrypt($string, $encrypt_method, $key, $ende_options, $iv)) && strlen($output['OPENSSL_ENCRYPT']) >= 1 ? $output['OPENSSL_ENCRYPT'] : base64_encode($string));
	  } 
      else if($action == OPENSSL_DECRYPTz) 
      {
          $output = ($output['OPENSSL_DECRYPT'] = openssl_decrypt(base64_decode($string), $encrypt_method, $key, $ende_options, $iv) && strlen($output['OPENSSL_DECRYPT']) >= 1 ? $output['OPENSSL_DECRYPT'] : base64_decode($string));
      }

      return (strlen($output) >= 1 ? $output: 'FAILURE');
   }
   $encrypted_text = OpenSSLEndeCrypt(OPENSSL_ENCRYPTz, 'Advanced OpenSSL/Base64 Ende-Cryptor.');
   echo '<br />Your Encrypted Text: '. $encrypted_text. '<br />';
   echo 'Your Decrypted Text: '. OpenSSLEndeCrypt(OPENSSL_DECRYPTz, $encrypted_text). '<br />';
   /*
      Expected Output:-
         * Your Encrypted Text: QWR2YW5jZWQgT3BlblNTTC9CYXNlNjQgRW5kZS1DcnlwdG9yLg==
         * Your Decrypted Text: Advanced OpenSSL/Base64 Ende-Cryptor.
   */
?>