PHP: __sleep() Magic Method

The __sleep() method returns an array of names of the variables of an object, which should be kept when the object is serialized. NOTE The __sleep() method returns an array of strings. The strings in the array are the name of the variables of the class. WARNING If the returned array from the __sleep() method … Read more

Design Pattern: Template Method Pattern in PHP

Template method pattern defines a template/skeleton for an operation processing steps. The subclasses define some steps of the template/skeleton, and some step definitions can be common for all. This makes it easier for the subclasses to adopt the processing steps defined in the template method pattern. This article demonstrates Template Method pattern implementations in PHP.

Design Pattern: Strategy Pattern in PHP

Strategy Pattern

Strategy pattern uses a group of similar algorithms and make those algorithms interchangeable. The client can use any of the algorithms at any given time and also can change the algorithm when needed. The algorithms used in strategy has the same interface implemented, but the internal working is different. This article demonstrates Strategy pattern implementations in PHP.

Design Pattern: Observer Pattern in PHP

Observer pattern implements a publish/subscribe mechanism between objects. Some subscribing objects want to observe the state change of a specific object, and the observer pattern enables the publishing object(subject) to notify other objects about changes. This article demonstrates Observer pattern implementations in PHP.

Design Pattern: Mediator Pattern in PHP

Mediator pattern encapsulates the logic of communication between a bunch of defined objects. A mediator object is used for that. The mediator works as a middleman between the set of objects. This prevents the objects(colleagues) from communicating directly with each other, and ensures loose coupling. This article demonstrates Mediator pattern implementations in PHP.

Design Pattern: Interpreter Pattern in PHP

Interpreter pattern represents the grammar or syntax rules of an expression. Parsing the expression and evaluation is implemented in the pattern implementation. The implementation can be for a specific syntax of a specific type of expression. A specific set of rules is defined for parsing and evaluation/operation. In this article, we are discussing the implementation of the Interpreter pattern in PHP.