Display all hooks on a page

Temporary and dev or staging site use only. Displays all hooks on the front end so developers can see which hooks are ran visually within the site’s layouts. In this example we only apply this to the /checkout/order-received/ page.

add_action( 'template_redirect', function() {

	// Isolate To One Page
	global $wp;
	if( empty( $wp->query_vars['order-received'] ) ) {

	// Hook All
	add_action( 'all', function( $tag ) {

		// Avoid The Admin Area
		if( is_admin() ) {

		// Only Woo Core Hooks
		if( substr( $tag, 0, 12 ) == 'woocommerce_' ) {

			// Print The Hook
			echo $tag . ' ';

	} );

} );

Instructions for Display all hooks on a page

  1. Log into a staging or locally hosted clone of your site.
  2. Install and activate Code Snippets plugin.
  3. WP Admin > Snippets > Add New
  4. Copy and paste the code from the section above.
  5. Check to ensure formatting came over properly.
  6. Customize the code as desired.
  7. Add a meaningful title.
  8. Select whether to run on front-end or back-end (or both).
  9. Click “Save and Activate”.
  10. Test your site to ensure it works.
  11. Disable if any problems, or recover.
  12. Repeat for live environment.

Need help modifying Display all hooks on a page?

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All code snippets are licensed GPLv2 (or later) matching WordPress licensing.

Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Disclaimer of warranty
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