LAW-8882

htdocs/wp-content/themes/lawcarta/functions.php

@@ -397,3 +397,41 @@ function old_post_url_redirect(){
     }
 }
 add_action( "template_redirect", "old_post_url_redirect" );
+
+/**
+ * Add custom validation for CF7 form fields
+ */
+function is_business_email($email){
+    if(
+            preg_match('/@gmail.com/i', $email) ||
+            preg_match('/@hotmail.com/i', $email) ||
+            preg_match('/@outlook.com/i', $email) ||
+            preg_match('/@yahoo.com/i', $email) ||
+            preg_match('/@protonmail.com/i', $email) ||
+            preg_match('/@icloud.com/i', $email) ||
+            preg_match('/@me.com/i', $email) ||
+            preg_match('/@aol.com/i', $email) ||
+            preg_match('/@mail.com/i', $email) ||
+            preg_match('/@tutanota.com/i', $email) ||
+            preg_match('/@tuta.com/i', $email) ||
+            preg_match('/@live.com/i', $email) ||
+            preg_match('/@msn.com/i', $email) ||
+            preg_match('/@inbox.com/i', $email)
+    ){
+        return false; // It's a publicly available email address
+    }else{
+        return true; // It's probably a company email address
+    }
+}
+function custom_email_company_validation_filter( $result, $tag ) {
+    if ( 'company-email' == $tag->name ) {
+        $the_value = isset( $_POST['company-email'] ) ? trim( $_POST['company-email'] ) : '';
+        if (!is_business_email($the_value)) {
+            $result->invalidate($tag, "This form only accepts business emails. Please provide your work address.");
+        }
+    }
+    
+    return $result;
+}
+
+add_filter( 'wpcf7_validate_email*', 'custom_email_company_validation_filter', 20, 2 );