Data types

Data types

In PHP, data types refer to the different kinds of values that can be stored in a variable or used in an expression. The main data types in PHP include:

1. Integer – represents whole numbers without decimals.
2. Float – represents numbers with decimals.
3. String – represents a sequence of characters.
4. Boolean – represents a value of true or false.
5. Array – represents a collection of values.
6. Object – represents an instance of a class.
7. Null – represents a variable with no value.

PHP also has two special data types, resource and callable, which are used to represent external resources and functions, respectively. Additionally, PHP supports type juggling, which means that PHP automatically converts data from one type to another when needed.

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