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copied!<pre><code>base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_256, md5( $cryptKey ), $q, MCRYPT_MODE_CBC, md5( md5( $cryptKey ) ) ) ); </code></pre> <p>should be</p> <pre><code>base64_encode( mcrypt_encrypt( MCRYPT_RIJNDAEL_256, md5( $cryptKey ), $var, MCRYPT_MODE_CBC, md5( md5( $cryptKey ) ) ) ); </code></pre> <p><strong>What's <code>$q</code>? Should it not be <code>$var</code>?</strong> (in <code>encryptIt</code>)</p> <p><strong>WORKS FOR ME</strong>:</p> <pre><code>function decryptIt($data, $key) { $key = md5($key); $data = base64_decode($data); $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $data, MCRYPT_MODE_CBC, md5($key)); $decrypted = rtrim($decrypted, "\0"); return $decrypted; } function encryptIt($data, $key) { $key = md5($key); $encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $data, MCRYPT_MODE_CBC, md5($key)); $encrypted = base64_encode($encrypted); return $encrypted; } // Testing header('Content-Type: text/plain'); $data = 'testing'; $key = 'qJB0rGtIn5UB1xG03efyCp'; $encrypted = encryptIt($data, $key); // Added your own data here (IT WORKS) $encrypted = 'DyAtftpy3cg4RNtJWT51vFlU5fMVuN+bvaTC365XYkU='; echo 'Encrypted: ', $encrypted, '<br>', PHP_EOL; $decrypted = decryptIt($encrypted, $key); echo 'Decrypted: ', $decrypted, '<br>', PHP_EOL; </code></pre> <p>^ <strong>Don't know what you're doing wrong but I did something:</strong> <em>I stopped the imbricated instruction madness.</em> Assigned variables to each and made the code clear, easy to follow and... functional... I think :)</p> <p><strong>PS</strong>: <em>It's nice to have one-liners but it will torment you if you have bugs in the 1-liners.</em></p>

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