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af/form/button_attributes

Filter attributes on the submit button. Use to add classes, set an ID, or add new attributes.

$attributes is an array of HTML attributes and their values.

<?php

function filter_submit_button_attributes( $attributes, $form, $args ) {
    $attributes['class'] .= ' button';
    
    return $attributes;
}
add_filter( 'af/form/button_attributes/key=FORM_KEY', 'filter_submit_button_attributes', 10, 3 );

Modifiers

  • af/form/button_attributes Applies to all forms.
  • af/form/button_attributes/key=FORM_KEY Applies to forms with specific key.
  • af/form/button_attributes/id=FORM_ID Applies to forms with specific post ID.