This document discusses using Gravity Forms in WordPress and provides resources for additional information. It describes checking a database table and form validation, adding a default field value using a filter, and dynamically changing the notification email recipient. Links are included to the Gravity Forms documentation, download page, and plugins for custom post types and CSS styling.
1. Hello
This is a presentation on the versatility
of Gravity Forms in WordPress.
http://www.gravityhelp.com/documentation/page/Developer_Docs
@iamdangavin | iamdangavin@gmail.com
2. Hello
Checking a table within our database
and validation our form.
http://www.gravityhelp.com/documentation/page/Gform_validation
@iamdangavin | iamdangavin@gmail.com
3. Hello
add_filter('gform_validation', 'code_validation');
function code_validation($validation_result){
// setting up to check against out database.
global $wpdb;
$input = $_POST['input_5'];
$code_check = $wpdb->get_results("SELECT code FROM code_check WHERE code ="$input"");
foreach($code_check as $row){
$code = $row->code;
} //end foreach
if($code != $input){
// set the form validation to false
$validation_result["is_valid"] = false;
//finding Field with ID of 1 and marking it as failed validation
foreach($validation_result["form"]["fields"] as &$field){
/NOTE: replace 5 with the field you would like to validate
if($field["id"] == "5"){
$field["failed_validation"] = true;
$field["validation_message"] = "Sorry, That code has either been used before or incorrect. Please try again!";
break;
} //end if
} //end foreach
} //end if
return $validation_result;
} //End function_exists
@iamdangavin | iamdangavin@gmail.com
5. Hello
gform_ eld_value_$parameter_name
Use this lter to add a default value to the eld speci ed by $parameter_name.
add_filter('gform_field_value_current_client_ID', 'hidden_current_client_ID');
function hidden_current_client_ID($value){
global $curauth;
return $curauth->ID;
}
gform_noti cation_email
Use this lter to dynamically change the TO email for admin noti cation.
// Hook to send the author an email that a message has been sent to them
// Update the 1 in the gform_notification_email to your form ID. If you would like this to be a global change, remove the _1.
add_filter("gform_notification_email_1", "change_notification_email", 10, 2);
function change_notification_email($email, $form){
// update the '5' to the ID of your field
$email = $_POST['input_5'];
return $email;
}
@iamdangavin | iamdangavin@gmail.com
6. Goodbye
Resources & Plugins
• Gravity Forms Download
• Gravity Forms Documentation
• Gravity Forms + Custom Post Types Plugin
• Gravity Forms CSS
@iamdangavin | iamdangavin@gmail.com
