What are data types in PHP

The following data types:

1-Integer-Whole number not decimal number like 4,10.

2-Double-Floating point number like 2.14.

3-Boolean-Only two possible values either true or false.

4-NULL-Special data type.

5-String-Sequence of characters like 'Hello world'

6-Array-Collections of data type.

7-Objects-Instances of classes

8-Resourse-Special data type.