javascript - How to decrypt from encrypted data in JS to PHP?

Hard to explain, I'll just show you my code. (copied) In JS: (I used Cryptojs)

        var key = "01234567890123456789012345678901";
        var iv  = "1234567890123412";
        function encrypt(data){
            var data = CryptoJS.AES.encrypt(data, key, iv);
            return data;
        }

        function decrypt(data){
            var code = CryptoJS.AES.decrypt(data,key);
            var decryptedData = code.toString(CryptoJS.enc.Utf8);
            return decryptedData;
        }
Copy code

In PHP (Codeigniter): -assuming I've passed the encrypted data to php from js.

       $username = $this->input->post('username');
       $encrypt_method = "AES-256-CBC";
       $key = '01234567890123456789012345678901';
       $iv = "1234567890123412";
       $decrypted = openssl_decrypt($username, $encrypt_method, $secret_key, OPENSSL_RAW_DATA, $iv);
       echo $decrypted; //gives null or empty result
Copy code

anyone please tell me what I'm doing wrong here?

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