"article.php?id=" is a common URL parameter used in PHP-based web applications to retrieve specific articles or content from a database.
In this parameter, "article.php" is the name of the PHP script that handles the request, and "id" is a variable that represents the unique identifier of the article or content being requested.
For example, if the user clicks on a link to view a specific article with an ID of 123, the URL would look something like this:
http://example.com/article.php?id=123
The PHP script would then use the ID value to query the database and retrieve the corresponding article or content to display on the page. This approach is commonly used in content management systems, blogs, and other web applications where content is stored in a database.
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