Search results for: "gethostbyaddr"

What is the purpose of using the gethostbyaddr() function in PHP?

The gethostbyaddr() function in PHP is used to retrieve the hostname associated with a given IP address. This can be useful for various networking tas...

What is the function gethostbyaddr() used for in PHP and what are its limitations?

The gethostbyaddr() function in PHP is used to retrieve the host name of a specified IP address. It can be useful for reverse DNS lookups. However, th...

Are there specific coding practices or functions in PHP that can negatively impact performance, such as gethostbyaddr() for host queries?

Using functions like gethostbyaddr() for host queries can negatively impact performance because they involve DNS lookups which can be slow and unrelia...

How can one ensure that the variable passed to gethostbyaddr() contains a valid IP address in PHP?

To ensure that the variable passed to gethostbyaddr() contains a valid IP address in PHP, you can use the filter_var() function with the FILTER_VALIDA...

What resources or documentation should one consult to troubleshoot warnings related to gethostbyaddr() in PHP?

When troubleshooting warnings related to gethostbyaddr() in PHP, one should consult the PHP manual for information on the function and potential cause...