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

W. Function Index

Function Index

Part VIII. Appendices

Change Language