gethostbyname
(PHP 4, PHP 5, PHP 7, PHP 8)
gethostbyname — Get the IPv4 address corresponding to a given Internet host name
Description
gethostbyname(string
$hostname): string
Returns the IPv4 address of the Internet host specified by
hostname.
Parameters
-
hostname -
The host name.
Return Values
Returns the IPv4 address or a string containing the unmodified
hostname on failure.
Examples
Example #1 A simple gethostbyname() example
<?php
$ip = gethostbyname('www.example.com');
echo $ip;
?>
See Also
- gethostbyaddr() - Get the Internet host name corresponding to a given IP address
- gethostbynamel() - Get a list of IPv4 addresses corresponding to a given Internet host name
- inet_pton() - Converts a human readable IP address to its packed in_addr representation
- inet_ntop() - Converts a packed internet address to a human readable representation
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