How can PHP code be restricted to only affect the RSS feed in Wordpress?

To restrict PHP code to only affect the RSS feed in WordPress, you can use the is_feed() function to check if the current request is for a feed. This way, you can conditionally run your PHP code only when the feed is being accessed. 

if ( is_feed() ) {
    // Your PHP code here will only affect the RSS feed
}

Keywords

PHP RSS feed Wordpress restrict code.

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