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PHP 8.3.0 RC 6 available for testing
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
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Features
HTTP authentication with PHP
Cookies
Sessions
Dealing with XForms
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
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简介 »
« 文件系统相关扩展
PHP 手册
函数参考
文件系统相关扩展
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直接 IO
简介
安装/配置
需求
安装
运行时配置
资源类型
预定义常量
Direct IO 函数
dio_close
— 通过 fd 关闭文件描述符
dio_fcntl
— 在 fd 上执行 C 标准库的 fcntl
dio_open
— 在 C 库输入/输出流函数允许的更低级别打开(必要时创建)文件
dio_read
— 从文件描述符读取字节
dio_seek
— 在 fd 指定 pos 位置
dio_stat
— 获取有关文件描述符 fd 的统计信息
dio_tcsetattr
— 设置串行端口的终端属性和波特率
dio_truncate
— 截断文件描述符 fd 为 offset 字节
dio_write
— 截取可选长度的数据写入文件
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