PHP | gethostbyaddr() function
The gethostbyaddr() function is an inbuilt function in PHP which returns domain name for a specified IP address.
Syntax:
gethostbyaddr($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.
Return Value:
- This function returns hostname on success and IP address on failure.
Note:
- This function is available for PHP 4.0.0 and newer version.
Example
<?php $host = gethostbyaddr("52.25.109.230"); echo $host; ?> |
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Output:
ec2-52-25-109-230.us-west-2.compute.amazonaws.com
Reference: https://www.php.net/manual/en/function.gethostbyaddr.php
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