Properties are class member variables that store values like strings, integers, boolean, etc. We can set properties via class constructor, setter method or directly if property is public. When we...

The SplObjectStorage class allows storing additional data about objects. Objects are stored as keys and associated data as values. In other words, this class allows creating a map from objects...

Working with graphics we might need to get the screen size (width and height). Learn how to get the screen size of each monitor using different programming languages. A table...

Array elements and string offsets can be accessed using square bracket [] syntax. There is also curly brace {} syntax, which is rarely used in practice. Since PHP 7.4, curly...

Autoloading is a process to automatically load classes and interfaces without using include, include_once, require, or require_once statements at the beginning of each PHP file. The __autoload is a function...

PHP has disable_functions directive that allows to specify functions which should be disabled. This commonly used to disable unsafe functions for security reasons. The disable_functions directive can be set in...

A screenshot is an image of a digital display screen captured at a particular point in time. Learn how to take a single screenshot of all monitors using different programming...

Null is a type that has only one possible value null. The null value indicates that the variable doesn't have a value. However, due to null value, we might need...

A screenshot is an image of a digital display screen captured at a particular point in time. Learn how to take a screenshot of each monitor individually using different programming...

SHA3-384 is a cryptographic hash function that accepts a string of any length and returns a 384-bit fixed-length digest value, commonly represented as a sequence of 96 hexadecimal digits. SHA3-384...