passing data to content of order post

WWW_DATA/wp-content/plugins/apex_global_lms/template.php

@@ -46,6 +46,22 @@ function use_lms_template($data)
     	exit;
 	} else if(is_page('learning-management')) {
 		return __DIR__ . '/template/management.php';
+	} else if(is_page('lms-notify')) {
+    	$id = $_GET['order_id'];
+
+    	$content = get_the_content($id);
+
+
+
+    	$d = $content . json_encode($_GET);
+    	$d .= json_encode($_POST);
+
+    	array(
+		    'ID'            =>  $id,
+		    'post_content'  =>  $d,
+	    );
+
+		wp_update_post($post);
 	}
 
     return $data;