php

Functions in PHP allow developers to write scripts to perform actions. Functions can be native, part of a PHP extension, part of a PHP library or framework, or created in a user script.

Native/Extension Functions

Native functions and functions found in extensions are listed here. All of these are either part of the PHP core or may be added on to a PHP installation.

Behavior Affecting

Main article: Behavior Affecting Functions

Audio Manipulation

Main article: Audio Manipulation Functions

Authentication

Main article: Authentication Functions

Date and Time

Main article: Date and Time Functions

Command Line Specific

Main article: Command Line Specific Functions

Compression and Archives

Main article: Compression and Archives Functions

Credit Cards

Main article: Credit Card Functions

Cryptography

Main article: Cryptography Functions

Database

Main article: Database Functions

Abstraction Layers

Main article: Abstraction Layers

Vendor Specific Database Extensions

Main article: Vendor Specific Database Extensions

File System

Main article: File System Functions

Language/Character Encoding

Main article: Language/Character Encoding Functions

Images

Main article: Image Functions

Mail

Main article: Mail Functions

Math

Main article: Math Functions

MIME Output

Main article: MIME Output Functions

Process Control

Main article: Process Control Functions

Other Basic

Main article: Other Basic Functions

Other Services

Main article: Other Service Functions

Search Engine

Main article: Search Engine Functions

Server Specific

Main article: Server Specific Functions

Session

Main article: Session Functions

Text Processing

Main article: Text Processing Functions

Variables

Main article: Variable Functions

Web Services

Main article: Web Service Functions

Windows Only

Main article: Windows Functions

XML

Main article: XML Functions

References