php 中文手册

pre: next:

类型

目录

简介
类型系统
NULL
Boolean 布尔类型
Integer 整型
Float 浮点型
String 字符串
数字字符串
Array 数组
Object 对象
Enum 枚举
Resource 资源类型
Callable
Mixed
Void
Never
相对类类型
单例类型
Iterable 可迭代对象
类型声明
类型转换

版权信息
序言 — 关于本手册
入门指引
- 简介 — PHP是什么并且可以做什么？
- 简明教程
安装与配置
语言参考
- 基本语法
- 类型
- 变量
- 常量
- 表达式
- 运算符
- 流程控制
- 函数
- 类与对象
- 概述
  — 命名空间概述
- 枚举
- 错误
  - 基础概要
  - PHP 7 错误处理
- 异常
  - 扩展（extend）异常处理类
- 纤程
- 生成器
- 注解
- 引用的解释
- 预定义变量
  - 超全局变量 — 在全部作用域中始终可用的内置变量
  - $GLOBALS — 引用全局作用域中可用的全部变量
  - $_SERVER — 服务器和执行环境信息
  - $_GET — 查询字符串变量
  - $_POST — 来自 HTTP POST 请求的表单数据
  - $_FILES — HTTP 文件上传变量
  - $_REQUEST — HTTP Request 变量
  - $_SESSION — Session 变量
  - $_ENV — 环境变量
  - $_COOKIE — HTTP Cookies
  - $php_errormsg — 前一个错误信息
  - $http_response_header — HTTP 响应头
  - $argc — 传递给脚本的参数数目
  - $argv — 传递给脚本的参数数组
- 预定义异常
- 预定义接口和类
- 预定义注解
- 上下文（Context）选项和参数
  - 套接字上下文选项 — 套接字上下文选项列表
  - HTTP context 选项 — HTTP context 的选项列表
  - FTP 上下文选项 — FTP 上下文选项列表
  - SSL 上下文选项 — SSL 上下文选项清单
  - Phar 上下文（context）选项 — Phar 上下文（context）选项列表
  - Context 参数 — Context 参数列表
  - Zip 上下文选项 — Zip 上下文选项列表
  - Zlib 上下文选项 — Zlib 上下文选项列表
- 支持的协议和封装协议
  - file:// — 访问本地文件系统
  - http:// — 访问 HTTP(s) 网址
  - ftp:// — 访问 FTP(s) URLs
  - php:// — 访问各个输入/输出流（I/O streams）
  - zlib:// — 压缩流
  - data:// — 数据（RFC 2397）
  - glob:// — 查找匹配的文件路径模式
  - phar:// — PHP 归档
  - ssh2:// — 安全外壳协议 2
  - rar:// — RAR
  - ogg:// — 音频流
  - expect:// — 处理交互式的流
安全
特点
函数参考
- 影响 PHP 行为的扩展
  - APCu — APC 用户缓存
    - 简介
    - 安装/配置
    - 预定义常量
    - APCu 函数
    - APCUIterator — APCUIterator 类
  - Componere
    - 简介
    - 安装/配置
    - Componere\Abstract\Definition — The Componere\Abstract\Definition class
    - Componere\Definition — The Componere\Definition class
    - Componere\Patch — The Componere\Patch class
    - Componere\Method — The Componere\Method class
    - Componere\Value — The Componere\Value class
    - Componere 函数
  - 错误处理 — 错误处理和日志记录
  - FFI — 外部函数接口
    - 简介
    - 安装/配置
    - 示例
    - FFI — C 代码和数据的主接口
    - FFI\CData — C Data Handles
    - FFI\CType — C Type Handles
    - FFI\Exception — FFI Exceptions
    - FFI\ParserException — FFI Parser Exceptions
  - OPcache
  - 输出控制 — 输出缓冲控制
  - PHP 选项/信息 — PHP 选项和信息
  - phpdbg — Interactive PHP Debugger
  - runkit7
  - uopz — User Operations for Zend
  - WinCache — Windows Cache for PHP
  - Xhprof — 层次式性能分析器
  - Yac
    - 简介
    - 安装/配置
    - 预定义常量
    - Yac — The Yac class
- 音频格式操作
  - OpenAL — OpenAL Audio Bindings
- 身份认证服务
  - Radius
- 针对命令行的扩展
  - Readline — GNU Readline
- 压缩与归档扩展
  - Bzip2
  - LZF
  - Phar
    - 简介
    - 安装/配置
    - 预定义常量
    - Using Phar Archives
    - Creating Phar Archives
    - What makes a phar a phar and not a tar or a zip?
    - Phar — The Phar class
    - PharData — The PharData class
    - PharFileInfo — The PharFileInfo class
    - PharException — The PharException class
  - Rar — Rar Archiving
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Rar 函数
    - RarArchive — The RarArchive class
    - RarEntry — The RarEntry class
    - RarException — The RarException class
  - Zip
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - ZipArchive — ZipArchive 类
    - Zip 函数
  - Zlib — Zlib 压缩
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Zlib 函数
    - DeflateContext — The DeflateContext class
    - InflateContext — The InflateContext class
- 加密扩展
  - Hash — 散列消息摘要框架
    - 简介
    - 安装/配置
    - 预定义常量
    - HashContext — HashContext 类
    - Hash 函数
  - Mcrypt
  - Mhash
  - OpenSSL
    - 简介
    - 安装/配置
    - 预定义常量
    - 密钥/证书参数
    - 证书验证
    - OpenSSL 函数
    - OpenSSLCertificate — OpenSSLCertificate 类
    - OpenSSLCertificateSigningRequest — OpenSSLCertificateSigningRequest 类
    - OpenSSLAsymmetricKey — OpenSSLAsymmetricKey 类
  - 密码散列算法
  - Rnp
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Rnp 函数
    - RnpFFI — The RnpFFI class
  - Sodium
    - 简介
    - 安装/配置
    - 预定义常量
    - Sodium 函数
    - SodiumException — The SodiumException class
  - Xpass
- 数据库扩展
  - 数据库抽象层
    - DBA — Database (dbm-style) Abstraction Layer
    - ODBC — ODBC (Unified)
    - PDO — PHP 数据对象
  - 针对各数据库系统对应的扩展
    - CUBRID
    - dBase
    - Firebird/InterBase
    - IBM DB2 — IBM DB2, Cloudscape and Apache Derby
    - MongoDB — MongoDB Extension
    - MySQL — MySQL Drivers and Plugins
    - OCI8 — Oracle OCI8
    - PostgreSQL
    - SQLite3
    - SQLSRV — Microsoft SQL Server Driver for PHP
- 日期与时间相关扩展
  - Calendar
  - 日期/时间 — 日期和时间
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - DateTime — DateTime 类
    - DateTimeImmutable — The DateTimeImmutable class
    - DateTimeInterface — The DateTimeInterface interface
    - DateTimeZone — DateTimeZone 类
    - DateInterval — DateInterval 类
    - DatePeriod — DatePeriod 类
    - Date/Time 函数
    - 日期/时间 Error 和 Exception
    - Supported Date and Time Formats
    - 所支持的时区列表
    - DateError — The DateError class
    - DateObjectError — The DateObjectError class
    - DateRangeError — The DateRangeError class
    - DateException — The DateException class
    - DateInvalidOperationException — The DateInvalidOperationException class
    - DateInvalidTimeZoneException — The DateInvalidTimeZoneException class
    - DateMalformedIntervalStringException — The DateMalformedIntervalStringException class
    - DateMalformedPeriodStringException — The DateMalformedPeriodStringException class
    - DateMalformedStringException — The DateMalformedStringException class
  - HRTime — High resolution timing
    - 简介
    - 安装/配置
    - 示例
    - HRTime\PerformanceCounter — The HRTime\PerformanceCounter class
    - HRTime\StopWatch — The HRTime\StopWatch class
    - HRTime\Unit — The HRTime\Unit class
- 文件系统相关扩展
  - 直接 IO
  - 目录
    - 预定义常量
    - Directory — Directory 类
    - 目录函数函数
  - Fileinfo — 文件信息
    - 简介
    - 安装/配置
    - 预定义常量
    - Fileinfo 函数
    - finfo — finfo 类
  - 文件系统
  - Inotify
  - xattr
  - xdiff
- 国际化与字符编码支持
  - Enchant — Enchant spelling library
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Enchant 函数
    - EnchantBroker — The EnchantBroker class
    - EnchantDictionary — The EnchantDictionary class
  - Gender — Determine gender of firstnames
    - 简介
    - 安装/配置
    - 示例
    - Gender\Gender — The Gender\Gender class
  - Gettext
  - iconv
  - intl — Internationalization Functions
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Collator — The Collator class
    - NumberFormatter — The NumberFormatter class
    - Locale — The Locale class
    - Normalizer — The Normalizer class
    - MessageFormatter — The MessageFormatter class
    - IntlCalendar — The IntlCalendar class
    - IntlGregorianCalendar — The IntlGregorianCalendar class
    - IntlTimeZone — The IntlTimeZone class
    - IntlDateFormatter — The IntlDateFormatter class
    - ResourceBundle — The ResourceBundle class
    - Spoofchecker — The Spoofchecker class
    - Transliterator — The Transliterator class
    - IntlBreakIterator — The IntlBreakIterator class
    - IntlRuleBasedBreakIterator — The IntlRuleBasedBreakIterator class
    - IntlCodePointBreakIterator — The IntlCodePointBreakIterator class
    - IntlDatePatternGenerator — The IntlDatePatternGenerator class
    - IntlPartsIterator — The IntlPartsIterator class
    - UConverter — The UConverter class
    - Grapheme 函数
    - IDN 函数
    - IntlChar
    - IntlException — Exception class for intl errors
    - IntlIterator — The IntlIterator class
    - intl 函数
  - 多字节字符串
  - Pspell
    - 简介
    - 安装/配置
    - 预定义常量
    - Pspell 函数
    - PSpell\Dictionary — The PSpell\Dictionary class
    - PSpell\Config — The PSpell\Config class
  - Recode — GNU Recode
- 图像生成和处理
  - Exif — 可交换图像信息
  - GD — 图像处理和 GD
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - GD 和图像处理函数
    - GdImage — GdImage 类
    - GdFont — The GdFont class
  - Gmagick
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Gmagick — The Gmagick class
    - GmagickDraw — The GmagickDraw class
    - GmagickPixel — The GmagickPixel class
  - ImageMagick — 图像处理(ImageMagick)
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Imagick — The Imagick class
    - ImagickDraw — The ImagickDraw class
    - ImagickDrawException — The ImagickDrawException class
    - ImagickException — The ImagickException class
    - ImagickKernel — The ImagickKernel class
    - ImagickKernelException — The ImagickKernelException class
    - ImagickPixel — The ImagickPixel class
    - ImagickPixelException — The ImagickPixelException class
    - ImagickPixelIterator — The ImagickPixelIterator class
    - ImagickPixelIteratorException — The ImagickPixelIteratorException class
- 邮件相关扩展
  - IMAP — IMAP, POP3 和 NNTP
    - 简介
    - 安装/配置
    - 预定义常量
    - IMAP 函数
    - IMAP\Connection — The IMAP\Connection class
  - Mail
  - Mailparse
- 数学扩展
  - BC Math — BCMath 任意精度数学
    - 简介
    - 安装/配置
    - BC 数学函数
    - BcMath\Number — The BcMath\Number class
  - GMP — GNU Multiple Precision
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - GMP 函数
    - GMP — The GMP class
  - Math — 数学函数
    - 简介
    - 预定义常量
    - RoundingMode — The RoundingMode Enum
    - Math 函数
  - Statistics
  - Trader — Technical Analysis for Traders
- 非文本内容的 MIME 输出
  - FDF — Forms Data Format
  - GnuPG — GNU Privacy Guard
  - wkhtmltox
    - 简介
    - 安装/配置
    - wkhtmltox\PDF\Converter — The wkhtmltox\PDF\Converter class
    - wkhtmltox\PDF\Object — The wkhtmltox\PDF\Object class
    - wkhtmltox\Image\Converter — The wkhtmltox\Image\Converter class
  - PS — PostScript document creation
  - RpmInfo
  - XLSWriter
    - 简介
    - 安装/配置
    - Vtiful\Kernel\Excel — The Vtiful\Kernel\Excel class
    - Vtiful\Kernel\Format — The Vtiful\Kernel\Format class
- 进程控制扩展
  - Eio
  - Ev
    - 简介
    - 安装/配置
    - 示例
    - Watchers
    - Watcher callbacks
    - Periodic watcher operation modes
    - Ev — The Ev class
    - EvCheck — The EvCheck class
    - EvChild — The EvChild class
    - EvEmbed — The EvEmbed class
    - EvFork — The EvFork class
    - EvIdle — The EvIdle class
    - EvIo — The EvIo class
    - EvLoop — The EvLoop class
    - EvPeriodic — The EvPeriodic class
    - EvPrepare — The EvPrepare class
    - EvSignal — The EvSignal class
    - EvStat — The EvStat class
    - EvTimer — The EvTimer class
    - EvWatcher — The EvWatcher class
  - Expect
  - PCNTL — 进程控制
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Pcntl\QosClass — The Pcntl\QosClass Enum
    - PCNTL 函数
  - POSIX
  - 程序执行 — 系统程序执行
  - parallel
    - 简介
    - 安装
    - Philosophy
    - Functional API
    - parallel\Runtime — The parallel\Runtime class
    - parallel\Future — The parallel\Future class
    - parallel\Channel — The parallel\Channel class
    - parallel\Events — The parallel\Events class
    - parallel\Events\Input — The parallel\Events\Input class
    - parallel\Events\Event — The parallel\Events\Event class
    - parallel\Events\Event\Type — The parallel\Events\Event\Type class
    - parallel\Sync — The parallel\Sync class
  - pthreads
    - 简介
    - 安装/配置
    - 预定义常量
    - Threaded — Threaded 类
    - Thread — Thread 类
    - Worker — Worker 类
    - Collectable — The Collectable interface
    - Pool — Pool 类
    - Volatile — The Volatile class
  - Semaphore — Semaphore, Shared Memory and IPC
    - 简介
    - 安装/配置
    - 预定义常量
    - Semaphore 函数
    - SysvMessageQueue — The SysvMessageQueue class
    - SysvSemaphore — The SysvSemaphore class
    - SysvSharedMemory — The SysvSharedMemory class
  - Shared Memory
    - 简介
    - 安装/配置
    - 示例
    - Shared Memory 函数
    - Shmop — The Shmop class
  - Sync
    - 简介
    - 安装/配置
    - SyncMutex — The SyncMutex class
    - SyncSemaphore — The SyncSemaphore class
    - SyncEvent — The SyncEvent class
    - SyncReaderWriter — The SyncReaderWriter class
    - SyncSharedMemory — The SyncSharedMemory class
- 其它基本扩展
  - GeoIP — Geo IP 定位
  - FANN — FANN (快速人工神经网络)
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Fann 函数
    - FANNConnection — FANNConnection 类
  - Igbinary
  - JSON — JavaScript 对象表示法（JSON）
    - 简介
    - 安装/配置
    - 预定义常量
    - JsonException — JsonException 类
    - JsonSerializable — JSON 序列化接口
    - JSON 函数
  - Simdjson
    - 简介
    - 安装/配置
    - 预定义常量
    - Simdjson 函数
    - SimdJsonException — The SimdJsonException class
    - SimdJsonValueError — The SimdJsonValueError class
  - Lua
    - 简介
    - 安装/配置
    - Lua — Lua类
    - LuaClosure — LuaClosure类
  - LuaSandbox
    - 简介
    - 安装/配置
    - Differences from Standard Lua
    - 示例
    - LuaSandbox — The LuaSandbox class
    - LuaSandboxFunction — The LuaSandboxFunction class
    - LuaSandboxError — The LuaSandboxError class
    - LuaSandboxErrorError — The LuaSandboxErrorError class
    - LuaSandboxFatalError — The LuaSandboxFatalError class
    - LuaSandboxMemoryError — The LuaSandboxMemoryError class
    - LuaSandboxRuntimeError — The LuaSandboxRuntimeError class
    - LuaSandboxSyntaxError — The LuaSandboxSyntaxError class
    - LuaSandboxTimeoutError — The LuaSandboxTimeoutError class
  - 杂项 — 杂项函数
  - Random — 随机数生成器和相关随机函数
    - 简介
    - 预定义常量
    - 示例
    - Random 函数
    - Random\Randomizer — The Random\Randomizer class
    - Random\IntervalBoundary — The Random\IntervalBoundary Enum
    - Random\Engine — The Random\Engine interface
    - Random\CryptoSafeEngine — The Random\CryptoSafeEngine interface
    - Random\Engine\Secure — The Random\Engine\Secure class
    - Random\Engine\Mt19937 — Random\Engine\Mt19937 类
    - Random\Engine\PcgOneseq128XslRr64 — The Random\Engine\PcgOneseq128XslRr64 class
    - Random\Engine\Xoshiro256StarStar — Random\Engine\Xoshiro256StarStar 类
    - Random\RandomError — The Random\RandomError class
    - Random\BrokenRandomEngineError — The Random\BrokenRandomEngineError class
    - Random\RandomException — The Random\RandomException class
  - SeasLog
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Seaslog 函数
    - SeasLog — The SeasLog class
  - SPL — PHP 标准库（SPL）
  - Stream
    - 简介
    - 安装/配置
    - 预定义常量
    - Stream 过滤
    - Stream Contexts
    - Stream Errors
    - 示例
    - php_user_filter — The php_user_filter class
    - streamWrapper — streamWrapper 类
    - Stream 函数
  - Swoole
    - 简介
    - 安装/配置
    - 预定义常量
    - Swoole 函数
    - Swoole\Async — The Swoole\Async class
    - Swoole\Atomic — The Swoole\Atomic class
    - Swoole\Buffer — The Swoole\Buffer class
    - Swoole\Channel — The Swoole\Channel class
    - Swoole\Client — The Swoole\Client class
    - Swoole\Connection\Iterator — The Swoole\Connection\Iterator class
    - Swoole\Coroutine — The Swoole\Coroutine class
    - Swoole\Coroutine\Lock — The Swoole\Coroutine\Lock class
    - Swoole\Event — The Swoole\Event class
    - Swoole\Exception — The Swoole\Exception class
    - Swoole\Http\Client — The Swoole\Http\Client class
    - Swoole\Http\Request — The Swoole\Http\Request class
    - Swoole\Http\Response — The Swoole\Http\Response class
    - Swoole\Http\Server — The Swoole\Http\Server class
    - Swoole\Lock — The Swoole\Lock class
    - Swoole\Mmap — The Swoole\Mmap class
    - Swoole\MySQL — The Swoole\MySQL class
    - Swoole\MySQL\Exception — The Swoole\MySQL\Exception class
    - Swoole\Process — The Swoole\Process class
    - Swoole\Redis\Server — The Swoole\Redis\Server class
    - Swoole\Runtime — The Swoole\Runtime class
    - Swoole\Serialize — The Swoole\Serialize class
    - Swoole\Server — The Swoole\Server class
    - Swoole\Table — The Swoole\Table class
    - Swoole\Timer — The Swoole\Timer class
    - Swoole\WebSocket\Frame — The Swoole\WebSocket\Frame class
    - Swoole\WebSocket\Server — The Swoole\WebSocket\Server class
  - Tidy
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - tidy — The tidy class
    - tidyNode — The tidyNode class
    - Tidy 函数
  - Tokenizer
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - PhpToken — The PhpToken class
    - Tokenizer 函数
  - URLs
  - V8js — V8 Javascript Engine Integration
    - 简介
    - 安装/配置
    - 示例
    - V8Js — The V8Js class
    - V8JsException — The V8JsException class
  - Yaml — YAML 数据序列化
  - Yaf — Yet Another Framework
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - 应用程序配置
    - Yaf_Application — Yaf_Application 类
    - Yaf_Bootstrap_Abstract — Yaf_Bootstrap_Abstract 类
    - Yaf_Dispatcher — Yaf_Dispatcher 类
    - Yaf_Config_Abstract — Yaf_Config_Abstract 类
    - Yaf_Config_Ini — Yaf_Config_Ini 类
    - Yaf_Config_Simple — Yaf_Config_Simple 类
    - Yaf_Controller_Abstract — Yaf_Controller_Abstract 类
    - Yaf_Action_Abstract — Yaf_Action_Abstract 类
    - Yaf_View_Interface — Yaf_View_Interface 类
    - Yaf_View_Simple — Yaf_View_Simple 类
    - Yaf_Loader — Yaf_Loader 类
    - Yaf_Plugin_Abstract — Yaf_Plugin_Abstract 类
    - Yaf_Registry — Yaf_Registry 类
    - Yaf_Request_Abstract — Yaf_Request_Abstract 类
    - Yaf_Request_Http — The Yaf_Request_Http class
    - Yaf_Request_Simple — Yaf_Request_Simple 类
    - Yaf_Response_Abstract — Yaf_Response_Abstract 类
    - Yaf_Route_Interface — Yaf_Route_Interface 类
    - Yaf_Route_Map — Yaf_Route_Map 类
    - Yaf_Route_Regex — Yaf_Route_Regex 类
    - Yaf_Route_Rewrite — Yaf_Route_Rewrite 类
    - Yaf_Router — Yaf_Router 类
    - Yaf_Route_Simple — Yaf_Route_Simple 类
    - Yaf_Route_Static — Yaf_Route_Static 类
    - Yaf_Route_Supervar — Yaf_Route_Supervar 类
    - Yaf_Session — Yaf_Session 类
    - Yaf_Exception — Yaf_Exception 类
    - Yaf_Exception_TypeError — Yaf_Exception_TypeError 类
    - Yaf_Exception_StartupError — Yaf_Exception_StartupError 类
    - Yaf_Exception_DispatchFailed — Yaf_Exception_DispatchFailed 类
    - Yaf_Exception_RouterFailed — Yaf_Exception_RouterFailed 类
    - Yaf_Exception_LoadFailed — Yaf_Exception_LoadFailed 类
    - Yaf_Exception_LoadFailed_Module — Yaf_Exception_LoadFailed_Module 类
    - Yaf_Exception_LoadFailed_Controller — Yaf_Exception_LoadFailed_Controller 类
    - Yaf_Exception_LoadFailed_Action — Yaf_Exception_LoadFailed_Action 类
    - Yaf_Exception_LoadFailed_View — Yaf_Exception_LoadFailed_View 类
  - Yaconf
    - 简介
    - 安装/配置
    - Yaconf — The Yaconf class
  - Taint
  - Data Structures
    - 简介
    - 安装/配置
    - 示例
    - Ds\Collection — The Collection interface
    - Ds\Hashable — The Hashable interface
    - Ds\Sequence — The Sequence interface
    - Ds\Vector — The Vector class
    - Ds\Deque — The Deque class
    - Ds\Map — The Map class
    - Ds\Pair — The Pair class
    - Ds\Set — The Set class
    - Ds\Stack — The Stack class
    - Ds\Queue — The Queue class
    - Ds\PriorityQueue — The PriorityQueue class
  - var_representation
- 其它服务
  - cURL — Client URL 库
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - cURL 函数
    - CurlHandle — CurlHandle 类
    - CurlMultiHandle — CurlMultiHandle 类
    - CurlShareHandle — CurlShareHandle 类
    - CurlSharePersistentHandle — CurlSharePersistentHandle 类
    - CURLFile — CURLFile 类
    - CURLStringFile — CURLStringFile 类
  - Event
    - 简介
    - 安装/配置
    - 示例
    - Event flags
    - About event persistence
    - Event callbacks
    - Constructing signal events
    - Event — The Event class
    - EventBase — The EventBase class
    - EventBuffer — The EventBuffer class
    - EventBufferEvent — The EventBufferEvent class
    - About buffer event callbacks
    - EventConfig — EventConfig 类
    - EventDnsBase — The EventDnsBase class
    - EventHttp — The EventHttp class
    - EventHttpConnection — The EventHttpConnection class
    - EventHttpRequest — The EventHttpRequest class
    - EventListener — The EventListener class
    - EventSslContext — The EventSslContext class
    - EventUtil — The EventUtil class
    - EventException — The EventException class
  - FTP
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - FTP 函数
    - FTP\Connection — The FTP\Connection class
  - Gearman
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - GearmanClient — The GearmanClient class
    - GearmanJob — The GearmanJob class
    - GearmanTask — The GearmanTask class
    - GearmanWorker — The GearmanWorker class
    - GearmanException — The GearmanException class
  - LDAP — Lightweight Directory Access Protocol
    - 简介
    - 安装/配置
    - 预定义常量
    - Using the PHP LDAP calls
    - LDAP controls
    - 示例
    - LDAP 函数
    - LDAP\Connection — The LDAP\Connection class
    - LDAP\Result — The LDAP\Result class
    - LDAP\ResultEntry — The LDAP\ResultEntry class
  - Memcache
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Memcache — Memcache 类
    - Memcache 函数
  - Memcached
    - 简介
    - 安装/配置
    - 预定义常量
    - 超时时间
    - 回调
    - Sessions支持
    - Memcached — Memcached 类
    - MemcachedException — MemcachedException类
  - mqseries
  - 网络
  - RRD — RRDtool
    - 简介
    - 安装/配置
    - 示例
    - RRD 函数
    - RRDCreator — The RRDCreator class
    - RRDGraph — The RRDGraph class
    - RRDUpdater — The RRDUpdater class
  - ScoutAPM
  - SNMP
    - 简介
    - 安装/配置
    - 预定义常量
    - SNMP 函数
    - SNMP — The SNMP class
    - SNMPException — The SNMPException class
  - Socket
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Socket Errors
    - Socket 函数
    - Socket — Socket 类
    - AddressInfo — AddressInfo 类
  - SSH2 — Secure Shell2
  - Stomp — Stomp Client
    - 简介
    - 安装/配置
    - 示例
    - Stomp 函数
    - Stomp — The Stomp class
    - StompFrame — The StompFrame class
    - StompException — The StompException class
  - SVM — 支持向量机
    - 简介
    - 安装/配置
    - 示例
    - SVM — The SVM class
    - SVMModel — The SVMModel class
  - SVN — Subversion
  - TCP — TCP Wrappers
  - Varnish
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - VarnishAdmin — The VarnishAdmin class
    - VarnishStat — The VarnishStat class
    - VarnishLog — The VarnishLog class
  - YAZ
  - 0MQ 消息 — ZMQ
    - 简介
    - 安装/配置
    - ZMQ — The ZMQ class
    - ZMQContext — The ZMQContext class
    - ZMQSocket — The ZMQSocket class
    - ZMQPoll — The ZMQPoll class
    - ZMQDevice — The ZMQDevice class
  - ZooKeeper
    - 简介
    - 安装/配置
    - ZooKeeper 函数
    - Zookeeper — The Zookeeper class
    - ZookeeperConfig — The ZookeeperConfig class
    - ZookeeperException — The ZookeeperException class
    - ZookeeperAuthenticationException — The ZookeeperAuthenticationException class
    - ZookeeperConnectionException — The ZookeeperConnectionException class
    - ZookeeperMarshallingException — The ZookeeperMarshallingException class
    - ZookeeperNoNodeException — The ZookeeperNoNodeException class
    - ZookeeperOperationTimeoutException — The ZookeeperOperationTimeoutException class
    - ZookeeperSessionException — The ZookeeperSessionException class
- 搜索引擎扩展
  - Solr — Apache Solr
    - 简介
    - 安装/配置
    - 预定义常量
    - Solr 函数
    - 示例
    - SolrUtils — The SolrUtils class
    - SolrInputDocument — The SolrInputDocument class
    - SolrDocument — The SolrDocument class
    - SolrDocumentField — The SolrDocumentField class
    - SolrObject — The SolrObject class
    - SolrClient — The SolrClient class
    - SolrResponse — The SolrResponse class
    - SolrQueryResponse — The SolrQueryResponse class
    - SolrUpdateResponse — The SolrUpdateResponse class
    - SolrPingResponse — The SolrPingResponse class
    - SolrGenericResponse — The SolrGenericResponse class
    - SolrParams — The SolrParams class
    - SolrModifiableParams — The SolrModifiableParams class
    - SolrQuery — The SolrQuery class
    - SolrDisMaxQuery — The SolrDisMaxQuery class
    - SolrCollapseFunction — The SolrCollapseFunction class
    - SolrException — The SolrException class
    - SolrClientException — The SolrClientException class
    - SolrServerException — The SolrServerException class
    - SolrIllegalArgumentException — The SolrIllegalArgumentException class
    - SolrIllegalOperationException — The SolrIllegalOperationException class
    - SolrMissingMandatoryParameterException — The SolrMissingMandatoryParameterException class
- 针对服务器的扩展
  - Apache
  - FastCGI 进程管理器
- Session 扩展
  - Sessions — Session 处理
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Session 上传进度
    - 会话和安全
    - Session 函数
    - SessionHandler — The SessionHandler class
    - SessionHandlerInterface — The SessionHandlerInterface class
    - SessionIdInterface — The SessionIdInterface interface
    - SessionUpdateTimestampHandlerInterface — The SessionUpdateTimestampHandlerInterface interface
- 文本处理
  - CommonMark
    - 简介
    - 安装/配置
    - 预定义常量
    - CommonMark\Node\Document — Document concrete CommonMark\Node
    - CommonMark\Node\Heading — Heading concrete CommonMark\Node
    - CommonMark\Node\Paragraph — Paragraph concrete CommonMark\Node
    - CommonMark\Node\BlockQuote — BlockQuote concrete CommonMark\Node
    - CommonMark\Node\BulletList — BulletList concrete CommonMark\Node
    - CommonMark\Node\OrderedList — OrderedList concrete CommonMark\Node
    - CommonMark\Node\Item — Item concrete CommonMark\Node
    - CommonMark\Node\Text — Text concrete CommonMark\Node
    - CommonMark\Node\Text\Strong — Strong concrete CommonMark\Node
    - CommonMark\Node\Text\Emphasis — Emphasis concrete CommonMark\Node
    - CommonMark\Node\ThematicBreak — ThematicBreak concrete CommonMark\Node
    - CommonMark\Node\SoftBreak — SoftBreak concrete CommonMark\Node
    - CommonMark\Node\LineBreak — LineBreak concrete CommonMark\Node
    - CommonMark\Node\Code — Code concrete CommonMark\Node
    - CommonMark\Node\CodeBlock — CodeBlock concrete CommonMark\Node
    - CommonMark\Node\HTMLBlock — HTMLBlock concrete CommonMark\Node
    - CommonMark\Node\HTMLInline — HTMLInline concrete CommonMark\Node
    - CommonMark\Node\Image — Image concrete CommonMark\Node
    - CommonMark\Node\Link — Link concrete CommonMark\Node
    - CommonMark\Node\CustomBlock — CustomBlock concrete CommonMark\Node
    - CommonMark\Node\CustomInline — CustomInline concrete CommonMark\Node
    - CommonMark\Node — Abstract CommonMark\Node
    - CommonMark\Interfaces\IVisitor — The CommonMark\Interfaces\IVisitor interface
    - CommonMark\Interfaces\IVisitable — The CommonMark\Interfaces\IVisitable interface
    - CommonMark\Parser — The CommonMark\Parser class
    - CommonMark\CQL — The CommonMark\CQL class
    - CommonMark 函数
  - Parle — Parsing and lexing
    - 简介
    - 安装/配置
    - 预定义常量
    - Pattern matching — Parle pattern matching
    - 示例
    - Parle\Lexer — The Parle\Lexer class
    - Parle\RLexer — The Parle\RLexer class
    - Parle\Parser — The Parle\Parser class
    - Parle\RParser — The Parle\RParser class
    - Parle\Stack — The Parle\Stack class
    - Parle\Token — The Parle\Token class
    - Parle\ErrorInfo — The Parle\ErrorInfo class
    - Parle\LexerException — The Parle\LexerException class
    - Parle\ParserException — The Parle\ParserException class
  - PCRE — 正则表达式(兼容 Perl)
  - ssdeep — ssdeep Fuzzy Hashing
  - 字符串
- 变量与类型相关扩展
  - 数组
  - 类/对象 — 类/对象的信息
  - Ctype — 字符类型检测
  - 过滤器 — 数据过滤器
  - 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
    - ReflectionConstant — The ReflectionConstant 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
    - PropertyHookType — PropertyHookType 枚举
  - 变量处理
- Web 服务
  - OAuth
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - OAuth 函数
    - OAuth — OAuth 类
    - OAuthProvider — OAuthProvider 类
    - OAuthException — OAuthException 类
  - SOAP
    - 简介
    - 安装/配置
    - 预定义常量
    - SOAP 函数
    - SoapClient — The SoapClient class
    - SoapServer — The SoapServer class
    - SoapFault — The SoapFault class
    - SoapHeader — The SoapHeader class
    - SoapParam — The SoapParam class
    - SoapVar — The SoapVar class
  - Yar — Yet Another RPC Framework
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - Yar_Server — The Yar_Server class
    - Yar_Client — Yar_Client 类
    - Yar_Concurrent_Client — Yar_Concurrent_Client 类
    - Yar_Server_Exception — Yar_Server_Exception 类
    - Yar_Client_Exception — Yar_Client_Exception 类
  - XML-RPC
- Windows 专用扩展
  - COM — COM 和 .Net（Windows）
    - 简介
    - 安装/配置
    - 预定义常量
    - Errors and error handling
    - 示例
    - com — The com class
    - dotnet — The dotnet class
    - variant — variant class
    - COMPersistHelper — The COMPersistHelper class
    - com_exception — The com_exception class
    - com_safearray_proxy — com_safearray_proxy 类
    - COM 函数
  - win32service
    - 简介
    - 安装/配置
    - 预定义常量
    - Win32ServiceException — The Win32ServiceException class
    - Win32Service\RightInfo — The Win32Service\RightInfo class
    - 示例
    - win32service 函数
- XML 操作
  - DOM — Document Object Model
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - DOMAttr — The DOMAttr class
    - DOMCdataSection — The DOMCdataSection class
    - DOMCharacterData — The DOMCharacterData class
    - DOMChildNode — The DOMChildNode interface
    - DOMComment — The DOMComment class
    - DOMDocument — The DOMDocument class
    - DOMDocumentFragment — The DOMDocumentFragment class
    - DOMDocumentType — The DOMDocumentType class
    - DOMElement — The DOMElement class
    - DOMEntity — The DOMEntity class
    - DOMEntityReference — The DOMEntityReference class
    - DOMException — The DOMException / Dom\Exception class
    - DOMImplementation — The DOMImplementation class
    - DOMNamedNodeMap — The DOMNamedNodeMap class
    - DOMNameSpaceNode — The DOMNameSpaceNode class
    - DOMNode — The DOMNode class
    - DOMNodeList — The DOMNodeList class
    - DOMNotation — The DOMNotation class
    - DOMParentNode — The DOMParentNode interface
    - DOMProcessingInstruction — The DOMProcessingInstruction class
    - DOMText — The DOMText class
    - DOMXPath — The DOMXPath class
    - Dom\AdjacentPosition — The Dom\AdjacentPosition Enum
    - Dom\Attr — The Dom\Attr class
    - Dom\CDATASection — The Dom\CDATASection class
    - Dom\CharacterData — The Dom\CharacterData class
    - Dom\ChildNode — The Dom\ChildNode interface
    - Dom\Comment — The Dom\Comment class
    - Dom\Document — The Dom\Document class
    - Dom\DocumentFragment — The Dom\DocumentFragment class
    - Dom\DocumentType — The Dom\DocumentType class
    - Dom\DtdNamedNodeMap — The Dom\DtdNamedNodeMap class
    - Dom\Element — The Dom\Element class
    - Dom\Entity — The Dom\Entity class
    - Dom\EntityReference — The Dom\EntityReference class
    - Dom\HTMLCollection — The Dom\HTMLCollection class
    - Dom\HTMLDocument — The Dom\HTMLDocument class
    - Dom\HTMLElement — The Dom\HTMLElement class
    - Dom\Implementation — The Dom\Implementation class
    - Dom\NamedNodeMap — The Dom\NamedNodeMap class
    - Dom\NamespaceInfo — The Dom\NamespaceInfo class
    - Dom\Node — The Dom\Node class
    - Dom\NodeList — The Dom\NodeList class
    - Dom\Notation — The Dom\Notation class
    - Dom\ParentNode — The Dom\ParentNode interface
    - Dom\ProcessingInstruction — The Dom\ProcessingInstruction class
    - Dom\Text — The Dom\Text class
    - Dom\TokenList — The Dom\TokenList class
    - Dom\XMLDocument — The Dom\XMLDocument class
    - Dom\XPath — The Dom\XPath class
    - DOM 函数
  - libxml
    - 简介
    - 安装/配置
    - 预定义常量
    - LibXMLError — The LibXMLError class
    - libxml 函数
  - SimpleXML
    - 简介
    - 安装/配置
    - 示例
    - SimpleXMLElement — The SimpleXMLElement class
    - SimpleXMLIterator — The SimpleXMLIterator class
    - SimpleXML 函数
  - WDDX
  - XMLDiff — XML diff and merge
    - 简介
    - 安装/配置
    - XMLDiff\Base — The XMLDiff\Base class
    - XMLDiff\DOM — The XMLDiff\DOM class
    - XMLDiff\Memory — The XMLDiff\Memory class
    - XMLDiff\File — The XMLDiff\File class
  - XML 解析器
    - 简介
    - 安装/配置
    - 预定义常量
    - 事件处理程序
    - 大写转换
    - 错误代码
    - 字符编码
    - 示例
    - XML 解析器函数
    - XMLParser — XMLParser 类
  - XMLReader
    - 简介
    - 安装/配置
    - XMLReader — The XMLReader class
  - XMLWriter
    - 简介
    - 安装/配置
    - 示例
    - XMLWriter — The XMLWriter class
  - XSL
    - 简介
    - 安装/配置
    - 预定义常量
    - 示例
    - XSLTProcessor — The XSLTProcessor class
- 图形用户界面(GUI) 扩展
  - UI
    - 简介
    - 安装/配置
    - UI\Point — Represents a position (x,y)
    - UI\Size — Represents dimensions (width, height)
    - UI\Window — Window
    - UI\Control — Control
    - UI\Menu — Menu
    - UI\MenuItem — Menu Item
    - UI\Area — Area
    - UI\Executor — Execution Scheduler
    - UI\Controls\Tab — Tab Control
    - UI\Controls\Check — Check Control
    - UI\Controls\Button — Button Control
    - UI\Controls\ColorButton — ColorButton Control
    - UI\Controls\Label — Label Control
    - UI\Controls\Entry — Entry Control
    - UI\Controls\MultilineEntry — MultilineEntry Control
    - UI\Controls\Spin — Spin Control
    - UI\Controls\Slider — Slider Control
    - UI\Controls\Progress — Progress Control
    - UI\Controls\Separator — Control Separator
    - UI\Controls\Combo — Combo Control
    - UI\Controls\EditableCombo — EdiableCombo Control
    - UI\Controls\Radio — Radio Control
    - UI\Controls\Picker — Picker Control
    - UI\Controls\Form — Control Form (Arrangement)
    - UI\Controls\Grid — Control Grid (Arrangement)
    - UI\Controls\Group — Control Group (Arrangement)
    - UI\Controls\Box — Control Box (Arrangement)
    - UI\Draw\Pen — Draw Pen
    - UI\Draw\Path — Draw Path
    - UI\Draw\Matrix — Draw Matrix
    - UI\Draw\Color — Color Representation
    - UI\Draw\Stroke — Draw Stroke
    - UI\Draw\Brush — Brushes
    - UI\Draw\Brush\Gradient — Gradient Brushes
    - UI\Draw\Brush\LinearGradient — Linear Gradient
    - UI\Draw\Brush\RadialGradient — Radial Gradient
    - UI\Draw\Text\Layout — Represents Text Layout
    - UI\Draw\Text\Font — Represents a Font
    - UI\Draw\Text\Font\Descriptor — Font Descriptor
    - UI 函数
    - UI\Draw\Text\Font\Weight — Font Weight Settings
    - UI\Draw\Text\Font\Italic — Italic Font Settings
    - UI\Draw\Text\Font\Stretch — Font Stretch Settings
    - UI\Draw\Line\Cap — Line Cap Settings
    - UI\Draw\Line\Join — Line Join Settings
    - UI\Key — Key Identifiers
    - UI\Exception\InvalidArgumentException — InvalidArgumentException
    - UI\Exception\RuntimeException — RuntimeException
FAQ — 常见问题
- 一般信息
- 邮件列表
- 获取 PHP
- 数据库问题
- 安装 — 安装常见问题
- 编译问题
- 使用 PHP
- 密码散列 — 安全可靠的密码散列
- PHP 和 HTML
- PHP 和 COM
- 其他问题
附录