apply_filters( ‘get_canonical_url’, string $canonical_url, WP_Post $post )

User Contributed Notes

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   Matt Calvert 4 years ago

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   An example of using this filter. In this I am setting the canonical url through ACF in a field called ‘canonical_url’.

   function wpdocs_edit_canonical_urls( $original_url, $post ) {
   	$override_url = get_post_meta( $post->ID, 'canonical_url', true );
   
   	if ( empty( $override_url ) ) {
   		return $original_url;
   	}
   
   	return $override_url;
   
   }
   
   add_filter( 'get_canonical_url', 'wpdocs_edit_canonical_urls', 10, 2 );