Display all hooks that run on your page

Add the following to your functions.php to display a sequential list of all actions that run on the page you’re viewing.

$debug_tags = array();
add_action( 'all', function ( $tag ) {
	global $debug_tags;
	if ( in_array( $tag, $debug_tags ) ) {
	echo "<pre>" . $tag . "</pre>";
	$debug_tags[] = $tag;
} );

I find this a real life saver when tracing down bugs that are caused by/in actions/hooks.

That’s really all you need. Some blogposts are a lot shorter than others, but I guess that’s fine 🙂

Ps. I’m aware that I’m using an anonymous function which only works in PHP 5.3+ and a global what is really bad practice. This code snippet should only be used to trace down and solve a bug or do something else devy. Please remove this code afterwards, obviously don’t put this on production environments.

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9 thoughts on “Display all hooks that run on your page

  1. Vey handy. Thank you!

  2. Many many thanks.

    It helped me finding hooks running on checkout page and i have got list

  3. Thank you for sharing. How to display all hooks that run on your page?

  4. Very helpful. Thank you!

  5. Thank you your information

  6. very helpful
    Thank you for your tutorial.

  7. Is there a way to show the priority as well?

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