gethostbyaddr
gethostbyaddr
(PHP 4, PHP 5, PHP 7)
gethostbyaddr — Get the Internet host name corresponding to a given IP address
Description
string gethostbyaddr ( string $ip_address )
Returns the host name of the Internet host specified by ip_address
.
Parameters
ip_address
The host IP address.
Return Values
Returns the host name on success, the unmodified ip_address
on failure, or FALSE
on malformed input.
Examples
Example #1 A simple gethostbyaddr() example
<?php
$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']
echo $hostname;
?>
See Also
- gethostbyname() - Get the IPv4 address corresponding to a given Internet host name
- gethostbynamel() - Get a list of IPv4 addresses corresponding to a given Internet host name
← fsockopen
gethostbyname →
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