Types ¶. Table of Contents ¶. Introduction · Type System · NULL · Booleans · Integers · Floating point numbers · Strings · Numeric strings · Arrays ...
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Every single expression in PHP has one of the following built-in types depending on its value: ... PHP is a dynamically typed language, which means that by ...
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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 ...
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 ...
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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PHP Manual ¶ · Basic syntax · Types · Variables · Constants · Expressions · Operators · Control Structures · Functions ...
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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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Syntax ¶. Ints can be specified in decimal (base 10), hexadecimal (base 16), octal (base 8) or binary (base 2) notation. The negation operator can be used ...
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PHP may attempt to convert the type of a value to another automatically in certain contexts. The different contexts which exist are: Numeric; String; Logical ...
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Available as of PHP 8.0.0. mixed is, in type theory parlance, the top type. Meaning every other type is a subtype of it.
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