php displays different pages based on address

php displays different pages according to the address

php displays different pages according to the url address. We can pass a The page parameter is implemented. The specific method is as follows:

1. Create a new index.php file and write the code

The above code means to determine whether there is a page parameter. And the page parameter is not empty. Then determine whether the page page file exists. If it exists, import it, otherwise 404 will be output.

2. Create a.php page and b.php page

3. Browser access test:

localhost/index.php?page=a localhost/index.php?page=b

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