GravityView - Update Entry Approval Status using PHP

gravityview-update-approval.php

<?php

// Check to make sure GravityView is loaded
if ( ! class_exists( 'GravityView_Entry_Approval' ) ) {
	return;	
}

/**
 * There are three options that should be used when updating entry approval statuses:
 *   GravityView_Entry_Approval_Status::APPROVED - Approved/Accepted entries
 *   GravityView_Entry_Approval_Status::DISAPPROVED - Disapproved/Rejected entries
 *   GravityView_Entry_Approval_Status::UNAPPROVED - Unapproved/Not Reviewed entries
 */
$updated = GravityView_Entry_Approval::update_approved( $entry_id, GravityView_Entry_Approval_Status::APPROVED );

if ( ! $updated ) {
  echo 'There are a few reasons this might not have worked. GFAPI class isn\'t found, invalid approval status, entry not found for that ID, or updating the entry in the database failed.';
} else {
  echo 'Thanks for reading!';	
}