Some useful tricks for developer for debugging

How we can find complete file path for the required page?

This can be useful for any WordPress based theme. if you need to amend certain code for a specific module/page and if you are unable to locate correct file,  you can try performing a below steps.

  • Open one of the WordPress files named as template-loader.php placed at “wp-includes” folder.
  • At a very end of the file contents, You will find the code as:
if ( $template = apply_filters( 'template_include', $template ) )
include( $template );
return;
endif;

Replace it with the below code:

if ( $template = apply_filters( 'template_include', $template ) ){
echo $template;
include( $template );
return;
}
endif;
  • Save the file and refresh the front page
  • At top of the page, you will get a complete file path which is used as a main template for the related page

How to find database table prefix for a WordPress multisite.

If you have configured multiple sites using a WordPress multisite network and if we face any sort of trouble finding a correct prefix for any site, follow the below mentioned steps.

  • Open the functions.php file located at your theme’s root folder. (functions.php file of the site for which you need to amend the database table contents)
  • Just after the opening PHP tag i.e <?php insert the code as echo $wpdb->prefix; and refresh your sites home page, you will get the associated prefix at the top.

Also, check the video link at: https://drive.google.com/file/d/0B4zqYzsurbeFa2FQdXpQb0cwQmM/view?usp=sharing