Phone number dropdown

gistfile1.txt

// This adds display names for all users to a drop down box on a gravity form.
add_filter("gform_pre_render", "populate_zone");
//Note: when changing drop down values, we also need to use the gform_admin_pre_render so that the right values are displayed when editing the entry.
add_filter("gform_admin_pre_render", "populate_zone");
function populate_zone($form){

    //only populating drop down for form id 9 - if editing this change to your own form ID
    if($form["id"] != 7)
 
    return $form;
 
    //Creating item array.
    $items = array( 'text' => '', 'value' => '' );
    // Get the custom field values stored in the array
    // If editing this lookup where you would like to get your data from
    // this example loads through all users of the website
    $form_id = '2';
	  $entries = GFAPI::get_entries( 'formId=2&id=11' );

if (is_array($entries))
{
// in this example we just load the display_name for each user into our drop-down field
  foreach($entries as $entry) $items[] = array("value" => $entry->display_name, "text" => $entry->display_name);
}
     foreach($form["fields"] as &$field)
        if($field["id"] == 7){
            $field["choices"] = $items;
        }
    return $form;
}