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PHP 8.4.1 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
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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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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
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Non-Text MIME Output
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is_null »
« is_iterable
Руководство по PHP
Справочник функций
Модули для работы с переменными и типами
Обработка переменных
Функции обработки переменных
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is_long
(PHP 4, PHP 5, PHP 7, PHP 8)
is_long
—
Псевдоним
is_int()
Описание
Псевдоним функции
is_int()
.
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