Downloads
Documentation
Get Involved
Help
Search docs
International PHP Conference Berlin 2025
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
Keyboard Shortcuts
?
This help
j
Next menu item
k
Previous menu item
g p
Previous man page
g n
Next man page
G
Scroll to bottom
g g
Scroll to top
g h
Goto homepage
g s
Goto search
(current page)
/
Focus search box
数组 »
« 更新日志
PHP 手册
函数参考
切换语言:
English
German
Spanish
French
Italian
Japanese
Brazilian Portuguese
Russian
Turkish
Ukrainian
Chinese (Simplified)
Other
变量与类型相关扩展
数组
简介
预定义常量
对数组进行排序
数组 函数
类/对象
— 类/对象的信息
简介
示例
类/对象 函数
Ctype
— 字符类型检测
简介
安装/配置
Ctype 函数
过滤器
— 数据过滤器
简介
安装/配置
过滤器类型
预定义常量
示例
过滤器函数
函数处理
简介
函数处理 函数
Quickhash
简介
安装/配置
示例
QuickHashIntSet
— The QuickHashIntSet class
QuickHashIntHash
— The QuickHashIntHash class
QuickHashStringIntHash
— The QuickHashStringIntHash class
QuickHashIntStringHash
— The QuickHashIntStringHash class
反射
简介
示例
扩展
Reflection
— Reflection 类
ReflectionClass
— ReflectionClass 类
ReflectionClassConstant
— The ReflectionClassConstant class
ReflectionEnum
— ReflectionEnum 类
ReflectionEnumUnitCase
— ReflectionEnumUnitCase 类
ReflectionEnumBackedCase
— ReflectionEnumBackedCase 类
ReflectionZendExtension
— ReflectionZendExtension 类
ReflectionExtension
— ReflectionExtension 类
ReflectionFunction
— ReflectionFunction 类
ReflectionFunctionAbstract
— ReflectionFunctionAbstract 类
ReflectionMethod
— ReflectionMethod 类
ReflectionNamedType
— ReflectionNamedType 类
ReflectionObject
— ReflectionObject 类
ReflectionParameter
— ReflectionParameter 类
ReflectionProperty
— ReflectionProperty 类
ReflectionType
— ReflectionType 类
ReflectionUnionType
— ReflectionUnionType 类
ReflectionGenerator
— ReflectionGenerator 类
ReflectionFiber
— ReflectionFiber 类
ReflectionIntersectionType
— ReflectionIntersectionType 类
ReflectionReference
— ReflectionReference 类
ReflectionAttribute
— ReflectionAttribute 类
Reflector
— Reflector 接口
ReflectionException
— ReflectionException 类
变量处理
简介
安装/配置
变量处理函数
发现了问题?
了解如何改进此页面
•
提交拉取请求
•
报告一个错误
+
添加备注
用户贡献的备注
此页面尚无用户贡献的备注。
↑
and
↓
to navigate •
Enter
to select •
Esc
to close
Press
Enter
without selection to search using Google