Search results for: "mysqli_num_rows()"

What steps can be taken to troubleshoot and debug issues related to mysqli_query() and mysqli_num_rows() in PHP?

Issue: When using mysqli_query() and mysqli_num_rows() in PHP, it is important to ensure that the query is executed correctly and that the result set...

What is the correct parameter expected by the mysqli_num_rows() function and how can it be properly obtained from a query result?

The mysqli_num_rows() function expects a result set parameter obtained from executing a SELECT query using the mysqli_query() function. To properly ob...

What are the potential pitfalls of using mysqli_num_rows and mysqli_query in PHP?

Using mysqli_num_rows and mysqli_query in PHP can potentially lead to SQL injection vulnerabilities if user input is not properly sanitized. To avoid...

Are there any specific PHP functions or methods that can be used to overcome the issue of losing data when using mysqli_num_rows after mysqli_fetch_assoc?

When using mysqli_num_rows after mysqli_fetch_assoc, the issue arises because mysqli_fetch_assoc advances the result set's internal pointer to the nex...

How can the use of count(*) in a SQL query affect the result retrieved using mysqli_num_rows() in PHP?

When using count(*) in a SQL query, it returns the number of rows that meet the query criteria, which may not necessarily match the actual number of r...