Why is "eight data types" in PHP described as "eight original data types"

Source: Internet
Author: User
Why are eight data types in PHP described as eight original data types? why are eight data types in PHP described as eight original data types? Data type "???
There is no such saying in other languages. Does the word "original" have any special meanings?


Reply to discussion (solution)

It is not a combination of other types.
Is the most basic and built-in php type.

Where did you see it?

Where did you see it?



The first line of the following link is the official manual.
Http://php.net/manual/zh/language.types.intro.php

Originally built in PHP, not third-party extensions and user extensions

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