is a float in PHP the same as a double?

is not real,float,double in PHP refers to the same thing.

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is not real,float,double in PHP refers to the same thing.

Although PHP is a weakly typed language, there are still types!
In the official documentation, all the types mentioned are as follows:

Boolean Boolean type
Integer integer type
float Float Type
String strings
Array arrays
Object objects
Resource Resource types
Null
Callback Callback Type

Recommended reading: PHP: Type

It's not the same inside PHP, but you don't have to pay much attention when you use it, because PHP automatically handles the type.

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