How to filter all whitespace characters in php

This article mainly introduces the method of filtering all whitespace characters in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

The trim function that comes with PHP can only replace the spaces at the left and right ends. I feel that it is not very easy to use in some cases. If you want to filter out all the whitespace characters in a string (spaces, full-width spaces, line break, etc.), then we can write a filter function ourselves.

Everyone who has learned the str_replace function in php knows that it can be replaced in batches, so we can use the following source code to replace and filter all whitespace characters in a string.

Run the code and the page output is:jkgsdgsgsdgsgsdggsd, which perfectly achieves the effect we want.

Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

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