Send Gravity Form Data to a Custom Post Type with Advanced Custom Fields (ACF)

functions.php

// Change "_2" to the ID of the form
add_action( 'gform_after_submission_2', 'add_to_awardpost', 10, 2 );

function add_to_awardpost($entry, $form) {
  
  // Create the variables
  $facility_name = rgar($entry, '1' );
  $primary_contact_name = rgar($entry, '2' );
  $primary_contact_title = rgar($entry, '3');
  $primary_contact_email = rgar($entry, '4');
  $facility_phone = rgar($entry, '5');
  $facility_address = rgar($entry, '6');
  $facility_website = rgar($entry, '7');
  $social_media_handles = rgar($entry, '12');
  $category = rgar($entry, '30');
  $individuals_involved = rgar($entry, '14');
  $offsite_professionals = rgar($entry, '18');
  $golf_fitness_programing = rgar($entry, '17');
  $length_of_time = rgar($entry, '16');
  $number_of_clients = rgar($entry, '15');
  $origin_and_evolution = rgar($entry, '26');
  $location_facilities = rgar($entry, '25');
  $marketing = rgar($entry, '24');
  $engagement_between_sessions = rgar($entry, '23');
  $financial_impact = rgar($entry, '22');
  $greatest_success = rgar($entry, '21');
  $retail = rgar($entry, '20');
  $programming_idea = rgar($entry, '19');
  $upload_facility_logo = rgar($entry, '27'); // Single Image Upload field
  $upload_facility_images = rgar($entry, '31'); // Mulitple Image upload field
  $link_to_video = rgar($entry, '29');
  
  // Add to a "Award Winner" post as a draft
  $award_post = array(
    'post_title'    => $facility_name,
    'post_content'  => '',
    'post_type'			=> 'winners',
    'post_status'   => 'draft',
    'meta_input'   => array(
      'facility_company_name' => $facility_name,
      'primary_contact_name' => $primary_contact_name,
      'primary_contact_title' => $primary_contact_title,
      'primary_contact_email' => $primary_contact_email,
      'facility_company_phone' => $facility_phone,
      'facility_company_address' => $facility_address,
      'facility_company_website' => $facility_website,
      'social_media_handles' => $social_media_handles,
      'on_or_off_course' => $category,
      'individuals_involved' => $individuals_involved,
      'offsite_professionals' => $offsite_professionals,
      'golf_fitness_programming' => $golf_fitness_programing,
      'length_of_time' => $length_of_time,
      'number_of_clients' => $number_of_clients,
      'origin_and_evolution' => $origin_and_evolution,
      'location_facilities' => $location_facilities,
      'marketing' => $marketing,
      'engagement_between_sessions' => $engagement_between_sessions,
      'financial_impact' => $financial_impact,
      'greatest_success' => $greatest_success,
      'retail' => $retail,
      'programming_idea' => $programming_idea,
      'link_to_video' => $link_to_video,
    )
  );
   
  // Insert the post into the database
  $interview_post_id = wp_insert_post( $award_post );
	
	// Upload the single image to the featured image AND the ACF Image field
    $filename = $upload_facility_logo;
    
    // Check the type of file. We'll use this as the 'post_mime_type'.
    $filetype = wp_check_filetype( basename( $filename ), null );
    
    // Get the path to the upload directory.
    $wp_upload_dir = wp_upload_dir();
    
    // Prepare an array of post data for the attachment.
    $attachment = array(
    	'guid'           => $wp_upload_dir['url'] . '/' . basename( $filename ), 
    	'post_mime_type' => $filetype['type'],
    	'post_title'     => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ),
    	'post_content'   => '',
    	'post_status'    => 'inherit'
    );
    
    // Insert the attachment.
    $attach_id = wp_insert_attachment( $attachment, $filename, $interview_post_id );
    
    // Make sure that this file is included, as wp_generate_attachment_metadata() depends on it.
    require_once( ABSPATH . 'wp-admin/includes/image.php' );
    
    // Generate the metadata for the attachment, and update the database record.
    $attach_data = wp_generate_attachment_metadata( $attach_id, $filename );
    wp_update_attachment_metadata( $attach_id, $attach_data );
    
    set_post_thumbnail( $interview_post_id, $attach_id );
	  update_field('upload_facility_logo', $attach_id, $interview_post_id);
  	
// If the user uploaded files to the multiple file area, load them to the ACF Gallery
  	if($upload_facility_images) {
      // Get the field of the gallery.
      $gallery_array = get_field('upload_facility_images', $interview_post_id, false);
      // Check if it's an array.
      if(!is_array($gallery_array)) {
        $gallery_array = [];
      }
      // Foreach image uploaded, upload it to the media library and add it to the gallery.
      foreach(json_decode($upload_facility_images, true) as $upload_facility_image) {
        $filename = $upload_facility_image;
        
        // Check the type of file. We'll use this as the 'post_mime_type'.
        $filetype = wp_check_filetype( basename( $filename ), null );
        
        // Get the path to the upload directory.
        $wp_upload_dir = wp_upload_dir();
        
        // Prepare an array of post data for the attachment.
        $attachment = array(
          'guid'           => $wp_upload_dir['url'] . '/' . basename( $filename ), 
          'post_mime_type' => $filetype['type'],
          'post_title'     => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ),
          'post_content'   => '',
          'post_status'    => 'inherit'
        );

        $attach_id = wp_insert_attachment( $attachment, $filename, $interview_post_id );

        // Make sure that this file is included, as wp_generate_attachment_metadata() depends on it.
        require_once( ABSPATH . 'wp-admin/includes/image.php' );
        // Generate the metadata for the attachment, and update the database record.
        $attach_data = wp_generate_attachment_metadata( $attach_id, $filename );
        wp_update_attachment_metadata( $attach_id, $attach_data );

        // Push to the array
        $gallery_array[] = intval($attach_id);
      }
      
      update_field( 'upload_facility_images', $gallery_array, intval($interview_post_id) );
    }
}