Contact Form 7 Hooks

Here you can find some Contact Form 7 actions and filters (hooks) available for use. The last used version is 4.2.1.

Filters

• wpcf7_contact_form_default_pack

/**
 * Description
 *
 * @param $contact_form
 * @param $args
 * @return $contact_form
 */
add_filter('wpcf7_contact_form_default_pack', function($contact_form, $args) {
    return $contact_form;
});

• wpcf7_contact_form_properties

/**
 * Description
 *
 * @param $properties
 * @param $cf7
 * @return $properties
 */
add_filter('wpcf7_contact_form_properties', function($properties, $cf7) {
    return $properties;
});

• wpcf7_form_action_url

/**
 * Used to change the form action URL
 *
 * @param $url the current URL
 * @return string The new URL you want
 */
add_filter('wpcf7_form_action_url', function($url) {
    return $url;
});

• wpcf7_form_id_attr

/**
 * Change de form HTML id value
 *
 * @param $html_id The current id value
 * @return string The new id
 */
add_filter('wpcf7_form_id_attr', function($html_id) {
    return $html_id;
});

• wpcf7_form_name_attr

/**
 * Change de form HTML name
 *
 * @param $html_name The actual name
 * @return string The new name
 */
add_filter('wpcf7_form_name_attr', function($html_name) {
    return $html_name;
});

• wpcf7_form_class_attr

/**
 * Change de form class name
 *
 * @param $html_class The actual class name
 * @return string The new class name
 */
add_filter('wpcf7_form_class_attr', function($html_class) {
    return $html_class;
});

• wpcf7_form_enctype

/**
 * Change de form enctype tag
 *
 * @param $html_enctype An empty string
 * @return string The new enctype tag value
 */
add_filter('wpcf7_form_enctype', function($html_enctype = '') {
    return $html_enctype;
});

• wpcf7_form_novalidate

/**
 * Description
 *
 * @param $support_html5 The result of wpcf7_support_html5() function call
 * @return @novalidate
 */
add_filter('wpcf7_form_novalidate', function($support_html5) {
    return null;
});

• wpcf7_form_response_output

/**
 * Filter the form response output
 *
 * @param $output 
 * @param $class 
 * @param $content 
 * @param $cf7 
 * @return @output
 */
add_filter('wpcf7_form_response_output', function($output, $class, $content, $cf7) {
    return $output;
});

• wpcf7_validation_error

/**
 * Return the validation HTML code message for a field error
 *
 * @param $error The HTML like '<span role="alert" class="wpcf7-not-valid-tip">%s</span>
 * @param $name The field name
 * @param $cf7 The CF7 object
 * @return @error The new HTML error
 */
add_filter('wpcf7_validation_error', function($error, $name, $cf7) {
    return $error;
});