Search results for: "MX record check"

What is the alternative approach to counting rows in a PDO query to check for the existence of a record?

When checking for the existence of a record in a PDO query, an alternative approach to counting rows is to use the `fetch()` method to retrieve a sing...

What is the purpose of the checkdnsrr function in PHP?

The checkdnsrr function in PHP is used to check if a specified domain has a specific record type in its DNS entries. This can be useful for verifying...

What is the best practice for updating data in a MySQL database using PHP when a record already exists?

When updating data in a MySQL database using PHP, the best practice is to first check if the record already exists. If it does, you can use an UPDATE...

How can one determine if a MySQL query returns a record in PHP?

To determine if a MySQL query returns a record in PHP, you can check the number of rows returned by the query using the mysqli_num_rows() function. If...

What are the best practices for configuring Dreamweaver MX to work with a local PHP test server like XAMPP or FoxServ?

To configure Dreamweaver MX to work with a local PHP test server like XAMPP or FoxServ, you need to set up a site definition in Dreamweaver that point...