Search results for: "mysqli_num_rows()"

How can the PHP function mysqli_num_rows be properly utilized in database queries?

When using the mysqli_num_rows function in PHP to determine the number of rows returned by a database query, it is important to first execute the quer...

What is the potential issue with using mysqli_num_rows after using mysqli_fetch_assoc in PHP?

The potential issue with using mysqli_num_rows after using mysqli_fetch_assoc is that it may not return the correct number of rows if you have already...

How can the use of mysqli functions like mysqli_num_rows() and mysqli_free_result() lead to warnings in PHP scripts?

When using mysqli functions like mysqli_num_rows() and mysqli_free_result(), warnings can occur if the result set is not properly handled. If the resu...

Why is it important to understand the difference between mysqli_num_rows() and the actual data returned by a query in PHP?

It is important to understand the difference between mysqli_num_rows() and the actual data returned by a query in PHP because mysqli_num_rows() only r...

What are common issues with mysqli_fetch_array and mysqli_num_rows in PHP?

Common issues with mysqli_fetch_array and mysqli_num_rows in PHP include not checking for false values returned by these functions, which can lead to...