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A PHP interface defines a contract which a class must fulfill. If a PHP class is a blueprint for objects, an interface is a blueprint for classes. Any class implementing a given interface can be expected to have the same behavior in terms of what can be called, how it can be called, and what will be returned.

This blog is a guide to learn about a PHP class, properties, methods, inheritance, and constructors.

Drawing on a recent poll, this blog examines why PHP users have not upgraded from PHP 5.6 to PHP 7.x, and explains why they should.

In this 2020 announcement, Zend discusses their ongoing coordination with IBM in support of the IBM i ecosystem.

What Is PII?

Get an overview of PHP extensions.

Get an overview of a foreign function interface in PHP.

Libsodium is a modern cryptography library. Learn how you can use the Libsodium cryptography library for PHP encryption in this blog.

Get expert tips for managing security risks and PHP security issues — and learn about PHP engine security.

Developers rely on asynchronous PHP calls to fulfill requests without bogging down the application. See how it works and compares to synchronous PHP here.

Get an overview of how to unleash your Db2 databases with PHP