How to implement interface in php

php method to implement the interface: first create a file with the suffix php and the name interface, and add the php tag to the file; then create two interface classes Jk1 and Jk2 in the page; finally, in the two Add methods jiekou1 and jiekou2 to the interface class, and take one parameter each.

php method to implement the interface:

1. Create a file with the suffix php and the name interface and put it in Add the php tag

#2 to the file and create two interface classes Jk1 and Jk2 in the page.

3 , add methods jiekou1 and jiekou2 to the two interface classes respectively with one parameter respectively

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