Search results for: "num_rows"

How can the issue of a non-object error when trying to call the num_rows() method be resolved in PHP?

The issue of a non-object error when trying to call the num_rows() method in PHP typically occurs when the result of a query is not properly handled o...

How can the num_rows property be utilized to improve the logic for checking existing records before inserting or updating in PHP?

When inserting or updating records in a database using PHP, it is important to check if a record already exists before proceeding to avoid duplicate e...

How can the num_rows property of a database class be utilized in PHP to determine if a search query returned any results?

To determine if a search query returned any results, you can utilize the num_rows property of a database class in PHP. After executing the search quer...

What potential issues can arise when using num_rows() in a MySQLi query in PHP?

Using num_rows() in a MySQLi query in PHP could potentially lead to performance issues, especially with large result sets, as it requires fetching all...

What is the purpose of the num_rows function in PHP and how can it be utilized in database result sets?

The num_rows function in PHP is used to retrieve the number of rows in a result set from a database query. This function can be utilized to determine...