php method to clear the browser cache: first open the corresponding code file; then add the code "header("Cache-Control: no-cache, must-revalidate" );" to clear the browser cache.
The operating environment of this article: Windows 7 system, PHP version 7.1, DELL G3 computer
How to clear the browser cache with php?
php clear browser cache
I encountered a small problem during the development process today. I modified the cover of a book in the background. After uploading the image, the browser cache caused the modification. , the original cover is still displayed in the background, and later two lines of code were added to solve the problem.
header("Last-Modified: " . gmdate( "D, d M Y H:i:s" ) . "GMT" ); header("Cache-Control: no-cache, must-revalidate" );
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