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PHP 8.4.2 Released!
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Enumerations
Errors
Exceptions
Fibers
Generators
Attributes
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
Database Security
Error Reporting
User Submitted Data
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
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
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
GUI Extensions
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简介 »
« Componere\cast_by_ref
PHP 手册
函数参考
影响 PHP 行为的扩展
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错误处理和日志记录
简介
安装/配置
运行时配置
预定义常量
示例
错误处理 函数
debug_backtrace
— 产生一条回溯跟踪(backtrace)
debug_print_backtrace
— 打印一条回溯。
error_clear_last
— 清除最近一次错误
error_get_last
— 获取最后发生的错误
error_log
— 发送错误信息到某个地方
error_reporting
— 设置应该报告何种 PHP 错误
restore_error_handler
— 还原之前的错误处理函数
restore_exception_handler
— 恢复之前定义过的异常处理函数。
set_error_handler
— 设置用户自定义的错误处理函数
set_exception_handler
— 设置用户自定义的异常处理函数
trigger_error
— 产生一个用户级别的 error/warning/notice 信息
user_error
— 别名 trigger_error
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