Filter Hooks
It’s possible to modify or extend the default behavior of HTML Forms beyond what is possible with the available settings. To achieve this, you can use any of the available action hooks and filter hooks in the plugin.
To learn more about what filter hooks are, please refer to the WordPress plugin API documentation.
Available Filter Hooks
Below is a list of all available filter hooks in the plugin.
hf_form_element_action_attr
Filters the action attribute for the form element.
Default value: null
hf_form_element_class_attr
Filters the CSS classes which are added to the form element’s class attribute.
Default value: ""
hf_form_html
Filters the complete form HTML when the form is outputted.
hf_validate_form
Filters the error code when a form is validated. Return an empty string if the form validates without errors.
Default value: ""
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