How to connect MySql Database using PHP PDO (PHP Data Objects). What’s the advantage of using PHP data objects.
PHP PDO (PHP data objects) is a database access layer providing a uniform method of access to multiple databases. PHP Data Objects is written to provide a consistent API. Before MySqli and PDO, we used MySql API to connect MySql Database. Let’s see how PDO is better than MySql Api.
In simple words it is a pattern of symbol and characters. Regular expression is used to search,replace or modify the words/strings. It is the most important part of your daily programming usage whether rewriting url using .htaccess, form validation, validating user input etc.
Regular expression is a sequence of characters and each characters has it’s special meaning. Let’s look at some basic characters and it’s meaning.
PHP Magic methods are a specialized method that is executed in response to a specific event. Each magic methods start with two underscores(__) and it is called automatically when a certain condition is met. It triggers custom behaviors defined by a programmer inside the class. Some of the magic methods are __construct(), __destruct(), __toString(), __get(), __set(), __call() etc.
In this tutorial, we are going to explore php magic methods.
PHP Magic Methods