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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
Keeping Current
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
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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散列信息摘要框架
简介
安装/配置
需求
安装
运行时配置
资源类型
预定义常量
HashContext
— HashContext 类
HashContext::__construct
— 私有构造方法以禁止直接实例化
HashContext::__serialize
— 序列化 HashContext 对象
HashContext::__unserialize
— 反序列化 data 参数为 HashContext 对象
Hash 函数
hash_algos
— 返回已注册的散列算法列表
hash_copy
— 拷贝哈希运算上下文
hash_equals
— 可防止时序攻击的字符串比较
hash_file
— 给指定文件的内容生成散列值
hash_final
— 结束增量散列且返回摘要结果
hash_hkdf
— Generate a HKDF key derivation of a supplied key input
hash_hmac_algos
— 返回适用于 hash_hmac 的已注册散列算法列表
hash_hmac_file
— 使用 HMAC 方法和给定文件的内容生成带密钥的散列值
hash_hmac
— 使用 HMAC 方法生成带有密钥的散列值
hash_init
— 初始化增量散列运算上下文
hash_pbkdf2
— 生成所提供密码的 PBKDF2 密钥导出
hash_update_file
— 从文件向活跃的散列运算上下文中填充数据
hash_update_stream
— 从打开的流向活跃的散列运算上下文中填充数据
hash_update
— 向活跃的哈希运算上下文中填充数据
hash
— 生成散列值(消息摘要)
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