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PHP is a dynamically typed language, which means that by default there is no need to specify the type of a variable, as this will be determined at runtime.
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Types ¶. Table of Contents ¶. Introduction · Type System · NULL · Booleans · Integers · Floating point numbers · Strings · Numeric strings · Arrays ...
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PHP Manual ¶ · Copyright · PHP Manual · Preface · Getting Started · Introduction · A simple tutorial · Installation and Configuration · General Installation ...
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Type declarations can be added to function arguments, return values, and, as of PHP 7.4.0, class properties. They ensure that the value is of the specified type ...
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Some atomic types are built-in types which are tightly integrated with the language and cannot be reproduced with user defined types. The list of base types is:.
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When a string is specified in double quotes or with heredoc, variables are parsed within it. There are two types of syntax: a simple one and a complex one. The ...
Resources are created and used by special functions. See the appendix for a listing of all these functions and the corresponding resource types. See also the ...
A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an ...
PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web ...
Language Reference ¶ · Basic syntax · PHP tags · Escaping from HTML · Types · Introduction · Type System · Variables · Basics · Predefined Variables · Constants.