Contact Form: Add filters to allow Akismet to add custom form fields …

…for better anti-spam effectiveness. (#21123)

Co-authored-by: Jeremy Herve <[email protected]>

projects/plugins/jetpack/changelog/cfinke-contact-form-filters

@@ -0,0 +1,4 @@
+Significance: minor
+Type: enhancement
+
+Added two filters to improve anti-spam functionality in the Contact Form.

projects/plugins/jetpack/modules/contact-form/grunion-contact-form.php

@@ -816,7 +816,16 @@ function prepare_for_akismet( $form ) {
 			}
 		}
 
-		return $form;
+		/**
+		 * Filter the values that are sent to Akismet for the spam check.
+		 *
+		 * @module contact-form
+		 *
+		 * @since 10.2.0
+		 *
+		 * @param array $form The form values being sent to Akismet.
+		 */
+		return apply_filters( 'jetpack_contact_form_akismet_values', $form );
 	}
 
 	/**
@@ -2264,7 +2273,16 @@ static function parse( $attributes, $content ) {
 
 		$r .= '</div>';
 
-		return $r;
+		/**
+		 * Filter the contact form, allowing plugins to modify the HTML.
+		 *
+		 * @module contact-form
+		 *
+		 * @since 10.2.0
+		 *
+		 * @param string $r The contact form HTML.
+		 */
+		return apply_filters( 'jetpack_contact_form_html', $r );
 	}
 
 	/**