Search results for: "mysql_query"

What are the best practices for handling errors in PHP's mysql_query() function?

When using the mysql_query() function in PHP, it is important to handle errors properly to prevent potential security vulnerabilities and ensure the s...

What potential errors or issues should be considered when using mysql_query in PHP?

When using mysql_query in PHP, potential errors or issues to consider include SQL injection vulnerabilities, deprecated usage (as mysql_query is depre...

What is the significance of "resource id #4" when using mysql_query in PHP?

When using mysql_query in PHP, "resource id #4" is a common issue that occurs when trying to directly output the result of a query. This happens becau...

What are the pitfalls of using the mysql_query function in PHP 7 and above?

The mysql_query function is deprecated in PHP 7 and above, and it is recommended to use mysqli or PDO instead for database queries. Using mysql_query...

How can multiple calls to mysql_query() in PHP lead to the error message "Query was empty"?

When making multiple calls to `mysql_query()` in PHP, if one of the queries is empty (contains no SQL statement), it can lead to the error message "Qu...