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PHP 8.4.0 RC4 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
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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Sync
简介
安装/配置
需求
安装
SyncMutex
— The SyncMutex class
SyncMutex::__construct
— Constructs a new SyncMutex object
SyncMutex::lock
— Waits for an exclusive lock
SyncMutex::unlock
— Unlocks the mutex
SyncSemaphore
— The SyncSemaphore class
SyncSemaphore::__construct
— Constructs a new SyncSemaphore object
SyncSemaphore::lock
— Decreases the count of the semaphore or waits
SyncSemaphore::unlock
— Increases the count of the semaphore
SyncEvent
— The SyncEvent class
SyncEvent::__construct
— Constructs a new SyncEvent object
SyncEvent::fire
— Fires/sets the event
SyncEvent::reset
— Resets a manual event
SyncEvent::wait
— Waits for the event to be fired/set
SyncReaderWriter
— The SyncReaderWriter class
SyncReaderWriter::__construct
— Constructs a new SyncReaderWriter object
SyncReaderWriter::readlock
— Waits for a read lock
SyncReaderWriter::readunlock
— Releases a read lock
SyncReaderWriter::writelock
— Waits for an exclusive write lock
SyncReaderWriter::writeunlock
— Releases a write lock
SyncSharedMemory
— The SyncSharedMemory class
SyncSharedMemory::__construct
— Constructs a new SyncSharedMemory object
SyncSharedMemory::first
— Check to see if the object is the first instance system-wide of named shared memory
SyncSharedMemory::read
— Copy data from named shared memory
SyncSharedMemory::size
— Returns the size of the named shared memory
SyncSharedMemory::write
— Copy data to named shared memory
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