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PHP 8.1.31 Released!
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
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Database Security
Error Reporting
User Submitted Data
Hiding PHP
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HTTP authentication with PHP
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Handling file uploads
Using remote files
Connection handling
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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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Other Services
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Server Specific Extensions
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Variable and Type Related Extensions
Web Services
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はじめに »
« Parle\ParserException
PHP マニュアル
関数リファレンス
テキスト処理
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正規表現 (Perl 互換)
はじめに
インストール/設定
インストール手順
実行時設定
定義済み定数
例
PCRE のパターン
正規表現パターンに使用可能な修飾子
— パターン修飾子
Perl とは異なる点
— Perl との違い
PCRE 正規表現構文
— パターン構文
PCRE 関数
preg_filter
— 正規表現による検索と置換を行う
preg_grep
— パターンにマッチする配列の要素を返す
preg_last_error
— 直近の PCRE 正規表現処理のエラーコードを返す
preg_last_error_msg
— 最後に実行した PCRE 正規表現に関するエラーメッセージを返す
preg_match
— 正規表現によるマッチングを行う
preg_match_all
— 繰り返し正規表現検索を行う
preg_quote
— 正規表現文字をクオートする
preg_replace
— 正規表現検索および置換を行う
preg_replace_callback
— 正規表現検索を行い、コールバック関数を使用して置換を行う
preg_replace_callback_array
— 正規表現検索を行い、コールバック関数を使用して置換を行う
preg_split
— 正規表現で文字列を分割する
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