Check/verify that the logged in user has submitted a specific Gravity Form

functions.php

<?php 
/**
 * Check/verify that the logged in user has submitted a specific Gravity Form
 * https://aaronjerad.com/blog/check-if-user-submitted-gravity-form/
 *
 */
add_action ('genesis_before_loop', 'submitted_form_check');

function submitted_form_check(){
    
  if ( is_user_logged_in() ) {//This is only relevant to users who are logged in. 

      $current_user = wp_get_current_user();//The curent user

      $date = strtotime(current_time( 'mysql' ). ' -1 year'); //Today minus one year 

      $startdate= date('Y-m-d', $date); //Today minus one year (Y-m-d format) 

      $enddate = current_time( 'mysql' ); // Today

      $search_criteria = array(

          'status'     => 'active', //Active forms 
          'start_date' => $startdate, //Get entires starting one year ago 
          'end_date'   => $enddate,   //upto now
          'field_filters' => array( //which fields to search

              array(

                  'key' => 'created_by', 'value' => $current_user->ID, //Current logged in user
              )
            )
          );

      $form_id= 2; //Set the ID of the form to check.

      // Now the main Gravity form api function to count the entries 
      // using our custom search criteria.
      $entry_count = GFAPI::count_entries( $form_id, $search_criteria );

          //Test the output        
          //echo $current_user->display_name;
          //echo $form_id;
          //echo $entry_count;
          //echo $startdate; 
          //echo $enddate;

  if($entry_count >= "1") { // If they have submitted the form:

      echo 'Hello ' . $current_user->display_name ;

      echo 'You have submitted the form. Etc, etc...';

  } else {
    //What to do if they have not submitted the form.  

    remove_action( 'genesis_loop', 'genesis_do_loop' ); //Remove the page content

    echo 'Hello ' . $current_user->display_name ;

    echo 'You have not submitted the form. Etc, etc...';
    } 
  }
}