Decrypt function in php

Well, PHP already has in-built functions to do this task. Here in this article, I am going to show you how to encrypt and decrypt a string in PHP with examples. For GCM mode, the length of the authentication tag can be between 4 to 6.

This is needed to decrypt the encrypted string.. Returns the decrypted data as a string or false on failure. Submit a Pull Request Report a Bug. If the provided key size is not supported by the cipher, the function will emit a warning and return false data The data that will be decrypted with the given cipher and mode. The two digit cost parameter: The default number of rounds is Report Error. Your message has been sent to W3Schools. W3Schools is optimized for learning and training.

Examples might be simplified to improve reading and learning. Most popular in PHP. Most visited in PHP Programs. How to call PHP function on the click of a Button? How to convert array to string in PHP? We use cookies to ensure you have the best browsing experience on our website. Start Your Coding Journey Now! Login Register.