php.org PHP Logo
Beginner Intermediate Advanced

Search results for: "mysql_num_rows()"

What potential pitfalls should be avoided when using the mysql_num_rows function in PHP?

When using the mysql_num_rows function in PHP, one potential pitfall to avoid is not checking if the query was successful before calling mysql_num_row...

How can the error "Warning: mysql_num_rows() expects parameter" be resolved in PHP?

The error "Warning: mysql_num_rows() expects parameter" occurs when the mysql_num_rows() function is called without passing the result set parameter....

What are common issues when using mysql_num_rows in PHP scripts?

Common issues when using mysql_num_rows in PHP scripts include not properly checking if the query was successful before calling mysql_num_rows, and no...

What is the difference between mysql_num_rows and mysql_affected_rows in PHP?

The main difference between mysql_num_rows and mysql_affected_rows in PHP is that mysql_num_rows returns the number of rows in a result set, while mys...

What steps can be taken to troubleshoot and resolve errors related to mysql_num_rows in PHP?

The issue with mysql_num_rows in PHP can be resolved by checking if the result set returned by the query is valid before calling mysql_num_rows. This...

Showing 1 to 5 of 191 results

‹ 1 2 3 4 5 6 7 8 9 10 ... 38 39 ›
PHP.ORG

A free knowledge base for PHP developers. Open to all.

Legal

  • About
  • Contact / Imprint
  • Terms
  • FAQ

© 2025 php.org. All rights reserved.