1.   Singleton pattern Name: Singleton Problem: You need exactly one global instance of a class and a global point of access to it. Context: Any Solution & Consequences: Make an encapsulated static variable holding the single instance of a class. Provide a get-method that: • has a static variable for holding the one and only instance • instantiates the instance if it [...]

If you are pure PHP developer, and maybe creating your own classes framework, you can use PHP mysql connection class, include it in your created bootstrap or in the place you would like to connect to the database with require or include function , for example you stored the code in mysql.class.php file , require [...]