Part VIII. Appendices

Table of Contents

A. History of PHP and related projects

History of PHP

PHP/FI

PHP 3

PHP 4

PHP 5

History of PHP related projects

PEAR

PHP Quality Assurance Initiative

PHP-GTK

Books about PHP

Publications about PHP

B. Migrating from PHP 5.1.x to PHP 5.2.x

What has changed in PHP 5.2.x

Backward Incompatible Changes

New Error Messages

Changes in PHP datetime support

New Parameters

New Functions

New Methods

Removed Extensions

New Extensions

New Classes

New Global Constants

New Class Constants

New INI Configuration Directives

Error Reporting

Other Enhancements

C. Migrating from PHP 5.0.x to PHP 5.1.x

Key PHP 5.1.x features

Changes in reference handling

Overview

Code that worked under PHP 4.3, but now fails

Code that worked under PHP 4.3.x, but now throws an error

Code that failed under PHP 4.3.x, but now works

Code that should have worked under PHP 5.0.x

Warnings that came and went

Reading []

Integer values in function parameters

Class and object changes

instanceof, is_a(), is_subclass_of() and catch

Abstract private methods

Access modifiers in interfaces

Changes in inheritance rules

Class constants

Extensions

Extensions that are gone from the PHP core

Class constants in new PHP 5.1.x extensions

Date/time support

Changes in database support

PDO overview

Changes in MySQL support

Changes in SQLite support

Checking for E_STRICT

D. Migrating from PHP 4 to PHP 5

What has changed in PHP 5

Backward Incompatible Changes

CLI and CGI

Migrating Configuration Files

New Functions

New Directives

Databases

New Object Model

Error Reporting

E. Migrating from PHP 3 to PHP 4

What has changed in PHP 4

Running PHP 3 and PHP 4 concurrently

Migrating Configuration Files

Parser behavior

Error reporting

Configuration changes

Additional warning messages

Initializers

empty('0')

Missing functions

Functions missing due to conceptual changes

Deprecate functions and extensions

Changed status for unset

PHP 3 extension

Variable substitution in strings

Cookies

Handling of global variables

F. Migrating from PHP/FI 2 to PHP 3

About the incompatibilities in 3.0

old_function

Start/end tags

if..endif syntax

while syntax

Expression types

Error messages have changed

Short-circuited boolean evaluation

Function TRUE/FALSE return values

Other incompatibilities

G. Debugging PHP

About the debugger

Using the Debugger

Debugger Protocol

H. Configure options

List of core configure options

Configure Options in PHP 4

I. php.ini directives

List of php.ini directives

Description of core php.ini directives

Httpd Options

Language Options

Resource Limits

Performance Tuning

Data Handling

Paths and Directories

File Uploads

General SQL

Debugger Configuration Directives

J. List of Supported Timezones

List of timezones in the group Africa

List of timezones in the group America

List of timezones in the group Antarctica

List of timezones in the group Arctic

List of timezones in the group Asia

List of timezones in the group Atlantic

List of timezones in the group Australia

List of timezones in the group Europe

List of timezones in the group Indian

List of timezones in the group Pacific

List of timezones in the group Others

K. Extension Categorization

Purpose

Basic PHP Extensions

Database Extensions

XML Manipulation

Web Services

Credit Card Processing

Math and Cryptography

Human Language and Character Encoding Support

File System and Process Control

Accessing Services

Compression Extensions

Calendar and Event Related Extensions

Utilization Area Specific Extensions

Membership

Core Extensions

Bundled Extensions

External Extensions

PECL Extensions

State

Deprecated Extensions

Experimental Extensions

L. List of Function Aliases

M. List of Reserved Words

List of Keywords

Predefined Variables

Server variables: $_SERVER

Environment variables: $_ENV

HTTP Cookies: $_COOKIE

HTTP GET variables: $_GET

HTTP POST variables: $_POST

HTTP File upload variables: $_FILES

Request variables: $_REQUEST

Session variables: $_SESSION

Global variables: $GLOBALS

The previous error message: $php_errormsg

Raw POST data: $HTTP_RAW_POST_DATA

HTTP response headers: $http_response_header

Predefined Classes

Standard Defined Classes

Predefined classes as of PHP 5

Predefined Constants

Core Predefined Constants

Standard Predefined Constants

N. List of Resource Types

O. List of Supported Protocols/Wrappers

Filesystem

Socket

HTTP and HTTPS

FTP and FTPS

PHP input/output streams

Compression Streams

Data (RFC 2397)

Secure Shell 2

Audio Streams

Process Interaction Streams

P. List of Available Filters

String Filters

Conversion Filters

Compression Filters

Encryption Filters

Q. List of Supported Socket Transports

Internet Domain: TCP, UDP, SSL, and TLS

Unix Domain: Unix and UDG

R. PHP type comparison tables

S. List of Parser Tokens

T. Userland Naming Guide

Global Namespace

Rules

Tips

U. About the manual

Formats

About user notes

How to read a function definition (prototype)

PHP versions documented in this manual

How to find more information about PHP

How to help improve the documentation

How we generate the formats

Translations

V. Open Publication License

I. REQUIREMENTS ON BOTH UNMODIFIED AND MODIFIED VERSIONS

II. COPYRIGHT

III. SCOPE OF LICENSE

IV. REQUIREMENTS ON MODIFIED WORKS

V. GOOD-PRACTICE RECOMMENDATIONS

VI. LICENSE OPTIONS

W. Function Index

Function Index