Php/docs/function.gethostbyname

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gethostbyname

(PHP 4, PHP 5, PHP 7)

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