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Why are the parameters added after link A is opened?

Source: Internet
Author: User
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Why is index. php on the first page added after link A is opened? News & amp; p = 1 the next page link is index. php? News & amp; p = 2 click next page and the link is index. php? Why does news & amp; p = 1 & amp; p = 2 accumulate? Why are the parameters added after link A is opened?
The current page is the first page index. php? News & p = 1
The link on the next page is index. php? News & p = 2
After clicking the next page, the link is index. php? News & p = 1 & p = 2
Why is it accumulated? Share with php:
------ Solution --------------------
There must be a place to add. you can find the place to add the code. Remove the previous parameters with regular expressions.

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