apply_filters( ‘author_rewrite_rules’, string[] $author_rewrite )

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   Noruzzaman 9 months ago

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   In this tutorial, you will learn how to use the apply_filters function with the author_rewrite_rules filter to modify the author rewrite rules based on multiple conditions in WordPress. This can be useful if you want to customize the URL structure for author archives.

   Step 1 Hook into the Filter:

   add_filter( 'author_rewrite_rules', 'wpdocs_author_rewrite_rules' );

   Step 2 Define the Callback Function:

   function wpdocs_author_rewrite_rules( $author_rewrite ) {
       // Condition 1: Add a custom rewrite rule for specific author nicenames
       $author_rewrite['author/([a-zA-Z0-9-]+)/custom'] = 'index.php?author_name=$matches[1]&custom_param=value';
   
       // Condition 2: Modify the priority of an existing rewrite rule
       if ( isset( $author_rewrite['author/([a-zA-Z0-9-]+)/?$'] ) ) {
           $author_rewrite['author/([a-zA-Z0-9-]+)/?$'] = 'index.php?author_name=$matches[1]&priority=high';
       }
   
       // Condition 3: Remove a specific rewrite rule
       unset( $author_rewrite['author/([0-9]+)/?$'] );
   
       // Additional customizations can be added here
   
       return $author_rewrite;
   }

   Step 3: Flush Rewrite Rules
   After modifying the rewrite rules, you need to flush the rewrite rules to ensure the changes take effect. You can do this by visiting the Permalinks settings page in the WordPress admin area (Settings > Permalinks) and simply clicking “Save Changes”.

   Alternatively, you can flush the rewrite rules programmatically. Add this code to your theme’s functions.php file or your custom plugin file:

   function wpdocs_flush_rewrite_rules() {
       flush_rewrite_rules();
   }
   add_action( 'init', 'wpdocs_flush_rewrite_rules' );

   You have now successfully used the apply_filters function with the author_rewrite_rules filter to modify the author rewrite rules based on multiple conditions in WordPress. This approach allows you to customize the URL structure for author archives to fit your specific requirements.