Why is my INSERT query being executed twice on page refresh?

Query Insertion Duplication on Page Load

A user encountered an issue where an INSERT query was being submitted twice to the database when a page was refreshed. This query, intended to log user activity, was executed using the following code:

<code class="sql">$insert_user_activity = mysql_query("INSERT INTO game_activity (user_id,user_full_name,game_id,game_name) values ('$user_id','$full_name','$browser_id','$game_title')");</code>

Root Cause

The root cause of the problem lies in the erroneous logic of the front controller. The front controller is responsible for determining which request should be handled by the application. In this case, the front controller was executing the application code for every request made, including invalid requests and resource calls. As a result, the INSERT query was being executed multiple times, resulting in duplicate insertions.

Solution

To resolve this issue, the front controller logic must be revised to prevent the application from running for invalid requests. This ensures that queries are only executed when appropriate, eliminating the possibility of false insertions.

The above is the detailed content of Why is my INSERT query being executed twice on page refresh?. For more information, please follow other related articles on the PHP Chinese website!