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[SOLVED] Hook runs twice


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For a project I need to add a custom admin action button. Tanks to @bernhard i was able to add the action in the submit button dropdown.

To peform the action i'm adding a hook to the InputfieldSubmit::processInput method, however the function is executed twice for some reasons i can't figure out.

What am i doing wrong  ?


// Add a save action button to resend the registration email
$wire->addHookAfter('ProcessPageEdit::getSubmitActions', function(HookEvent $event) {
    $actions = $event->return;
    $actions['send_registration'] = [
        'value' => 'send_registration',
        'icon' => 'check',
        'label' => '%s + Resend registration email',
    $event->return = $actions;

// Process custom save button action
wire()->addHookAfter('InputfieldSubmit::processInput', null, 'send_registration_email');
function send_registration_email($event) {
  $input = $event->arguments(0);

  if('send_registration' === $input->_after_submit_action) {
      // populate  email vars here
    send_email($input->email, $mail_subject, $mail_body, wireMail());

  // Populate back return value, if you have modified it
  // $event->return = $attendee;
  $event->cancelHooks = true;

function send_email($email, $mail_subject, $mail_body, $mailer) {
    // Sends the email


Edited by kongondo
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On 11/19/2020 at 11:30 PM, Nicolas said:

however the function is executed twice for some reasons i can't figure out

Using Tracy Debugger to dump the name of the submit button can give you a clue...

$wire->addHookAfter('InputfieldSubmit::processInput', function(HookEvent $event) {
	$inputfield = $event->object;
	bd($inputfield->name, "inputfield->name");


So there are two submit buttons in Page Edit that get processed: the Save button and the Trash button on the Delete tab.

Rather than hooking InputfieldSubmit::processInput you can use the dedicated hookable method that performs the save actions:

$wire->addHookAfter('ProcessPageEdit::processSubmitAction', function(HookEvent $event) {
	$value = $event->arguments(0);
	if($value === 'send_registration') {
		// Do your action here...


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  • Nicolas changed the title to [SOLVED] Hook runs twice

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