PHP offers three different ways to connect to and interact with a MySQL database: the original MySQL extension, MySQL Improved (MySQLi), or PHP Data Objects (PDO). Which one you choose is an important decision, because they use incompatible code. You can’t mix them in the same script. The original MySQL extension is no longer actively developed and is not recommended for new PHP/MySQL projects. It’s not covered in this book.
KeywordsError Message Conditional Statement Prepared Statement Floating Point Number Sort Order
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