Search results for: "gethostbyname"

What could be causing the "gethostbyname failed" error in the PHP script?

The "gethostbyname failed" error in a PHP script could be caused by a DNS resolution issue, where the hostname cannot be resolved to an IP address. Th...

What potential issues should be considered when using gethostbyname() to get the IP address of a domain?

One potential issue when using gethostbyname() is that it may not work properly if the DNS resolver configuration on the server is incorrect or if the...

Are there any potential pitfalls or limitations when using gethostbyname to check server availability in PHP?

One potential pitfall when using gethostbyname to check server availability in PHP is that it may not work as expected if the DNS resolution is slow o...

Is comparing the parameter passed to gethostbyname with its return value a reliable method to determine host availability?

Comparing the parameter passed to gethostbyname with its return value is not a reliable method to determine host availability. This is because gethost...

What are the potential discrepancies between the values of $allowedIP and $ip in PHP when using gethostbyname?

The potential discrepancy between the values of $allowedIP and $ip in PHP when using gethostbyname is that $allowedIP may contain a domain name while...