Search results for: "call by reference"

How can the use of mysql_num_rows() help in debugging PHP scripts?

Using `mysql_num_rows()` can help in debugging PHP scripts by providing a way to check the number of rows returned by a MySQL query. This can be usefu...

How can I download or activate GD library 2.0 for PHP 4.7 version?

To download or activate GD library 2.0 for PHP 4.7 version, you will need to ensure that GD library is installed on your server. You can do this by ch...

What potential issue could arise if the query in the PHP code does not return any matching records?

If the query in the PHP code does not return any matching records, the potential issue that could arise is that the code may throw an error or behave...

What potential issues can arise when changing the order of parameters in a PHP file?

When changing the order of parameters in a PHP file, potential issues can arise if the parameters are being passed by position rather than by name. Th...

What is the default behavior of PHP regarding session file deletion on the server?

By default, PHP automatically deletes session files on the server that have not been accessed for a certain period of time, typically defined by the s...