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  Handy PHP functions should be in your toolkit

When developing projects, there are always some common work should be accomplished, for example, encrption/decryption, get IP. As a PHP developer, you should have a list of the handy functions in your toolkit so that you can pick up in every project you work on. Here is a summary of some handy PHP functions.1. PHP encryption/decryptionEncryption/decryption can be used when storing user confidential information such as passwords. Below function uses base64 and MD5 to accomplish encryption/decryption.function encryptDecrypt($key, $string, $decrypt){ if($decrypt){ $decrypted = rtrim(m...

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