How can browser caching affect the execution of PHP files linked to graphics?

Browser caching can affect the execution of PHP files linked to graphics by storing a copy of the graphics file in the user's browser cache. This can lead to outdated graphics being displayed to users even after changes have been made to the PHP file. To solve this issue, you can add versioning to the graphics file URL by appending a query string parameter with a unique version number. This way, when the graphics file is updated, the URL changes and the browser fetches the latest version. 

<img src="image.jpg?v=1">

Keywords

browser caching PHP files graphics execution impact

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