How to Effectively Loop Through MySQL Result Sets
As a beginner in PHP and MySQL, navigating through result sets can be daunting. Here are some simple techniques to help you effectively loop through them:
Iterating with mysql_fetch_array()
This is a straightforward approach:
<?php $result = mysql_query("select * from table"); if ($result) { while($row = mysql_fetch_array($result)) { // Handle the row data here } } else { echo mysql_error(); } ?>
Here's how it works:
- Connect to the database and execute a query to retrieve data.
- Inside a while loop, repeatedly fetch a row from the result set using mysql_fetch_array().
- Each iteration, you have access to the current row data via the $row variable.
- Continue looping until all rows are exhausted.
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