Problem file

Author: AydinHassan

exercises/the-return-of-static/problem/problem.md

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+You have been given a piece of code (look for `the-return-of-static.php` in your working directory) which is using static return types.
+
+You will find two classes. `File`, a base class, and `Image` a class extending and adding behavior to `File`. We instantiate `Image`, set some properties using a fluent interface and then dump the object using `var_dump`.
+
+If you run the code using `{appname} run the-return-of-static.php` you will see it is broken.
+
+Locate and fix the issue!
+
+### The advantages of the static return type
+
+* Enforces that an instance of the class the method is called from, is returned. 
+* Most useful for fluent interfaces and static constructors to ensure an instance of a parent class is not returned.
+
+----------------------------------------------------------------------
+## HINTS
+
+(Brief) Documentation on the static return type feature can be found by pointing your browser here:
+[https://www.php.net/manual/en/language.types.declarations.php#language.types.declarations.static]()
+
+The static return type enforces methods to return an instance of the class that the method was called from, rather than the one it was defined in.
+