The following list of PHP's eight main data types:
- A named, sorted collection of data is called an array.
- A logical value is a boolean (True or False)
- Double: Numbers with floating points, like 5.1525
- Whole numbers without a floating point represent integers.
- An object is a class instance that includes data and functionalities.
- A unique data type that only accepts the NULL data is NULL.
- Special variables with references to outside resources are a resource.
- A string is a collection of characters, such as "Hello, students!"