PHP 7.0.6 Released
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Errors
Exceptions
Generators
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Filesystem Security
Database Security
Error Reporting
Using Register Globals
User Submitted Data
Magic Quotes
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Dealing with XForms
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
Safe Mode
Command line usage
Garbage Collection
DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Credit Card Processing
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
Mathematical Extensions
Non-Text MIME Output
Process Control Extensions
Other Basic Extensions
Other Services
Search Engine Extensions
Server Specific Extensions
Session Extensions
Text Processing
Variable and Type Related Extensions
Web Services
Windows Only Extensions
XML Manipulation
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PHP Manual
Function Reference
Affecting PHP's Behaviour
Error Handling and Logging
Introduction
Installing/Configuring
Requirements
Installation
Runtime Configuration
Resource Types
Predefined Constants
Examples
Error Handling Functions
debug_backtrace
— Generates a backtrace
debug_print_backtrace
— Prints a backtrace
error_clear_last
— Clear the most recent error
error_get_last
— Get the last occurred error
error_log
— Send an error message to the defined error handling routines
error_reporting
— Sets which PHP errors are reported
restore_error_handler
— Restores the previous error handler function
restore_exception_handler
— Restores the previously defined exception handler function
set_error_handler
— Sets a user-defined error handler function
set_exception_handler
— Sets a user-defined exception handler function
trigger_error
— Generates a user-level error/warning/notice message
user_error
— Alias of trigger_error
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