Search results for: "mysqli_num_rows()"

What is the significance of using mysqli_num_rows() in PHP when dealing with query results?

When dealing with query results in PHP, using mysqli_num_rows() is significant as it allows you to check the number of rows returned by a SELECT query...

How can the PHP documentation be effectively utilized to understand and implement functions like mysqli_num_rows and mysqli_fetch_array?

To understand and implement functions like mysqli_num_rows and mysqli_fetch_array, one can effectively utilize the PHP documentation. By reading the d...

How does the parameter 0 in mysqli_num_rows affect the outcome of a query in PHP?

When the parameter 0 is passed to mysqli_num_rows, it will return the total number of rows in the result set. This can be useful for checking if there...

What are the implications of using mysqli_num_rows to check the number of results in a query before processing them in PHP?

Using mysqli_num_rows to check the number of results in a query before processing them in PHP can help prevent errors when trying to access non-existe...

How can the use of mysqli_num_rows() improve the performance of PHP code compared to COUNT(id) in certain scenarios?

Using mysqli_num_rows() can improve the performance of PHP code compared to COUNT(id) in certain scenarios because it directly fetches the number of r...