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International PHP Conference Berlin 2025
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
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Functions
Classes and Objects
Namespaces
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Errors
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References Explained
Predefined Variables
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Security
Introduction
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Installed as CGI binary
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Function Reference
Affecting PHP's Behaviour
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is_float »
« is_countable
Руководство по PHP
Справочник функций
Модули для работы с переменными и типами
Обработка переменных
Функции обработки переменных
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is_double
(PHP 4, PHP 5, PHP 7, PHP 8)
is_double
—
Псевдоним
is_float()
Описание
Псевдоним функции
is_float()
.
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