PHP | gethostbyaddr() function
The gethostbyaddr() function is an inbuilt function in PHP which returns domain name for a specified IP address.
Parameter: This function accepts one parameter as mentioned above and described below:
- $ip_address: It is required parameter. It specifies IP address whose host name to be found. Passed as a string.
- This function returns hostname on success and IP address on failure.
- This function is available for PHP 4.0.0 and newer version.
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