How to build a php interface

Create interface

Create a file with the suffix php and name interface and add the php tag to the file.

Create two interface classes Jk1 and Jk2 in the page.

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Add methods jiekou1 and jiekou2 to each of the two interface classes. parameter.

Interface instantiation

Declare a class Slh and use implements to implement the two interfaces Jk1 and Jk2.

In class Slh, the methods jiekou1 and jiekou2 in the interface are indispensable, and the passed parameters are output.

Create an object and call the methods jiekou1 and jiekou2 in class Slh, and the passed parameters will be output respectively.

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