gethostbynamel

(PHP 4, PHP 5, PHP 7)

gethostbynamel — Get a list of IPv4 addresses corresponding to a given Internet host name

array gethostbynamel ( string $hostname )

Returns a list of IPv4 addresses to which the Internet host specified by hostname resolves.

Returns an array of IPv4 addresses or FALSE if hostname could not be resolved.

Example #1 gethostbynamel() example


<?php
$hosts = gethostbynamel('www.example.com');
print_r($hosts);
?>

以上例程会输出：

Array
(
    [0] => 192.0.34.166
)

gethostbyname() - Get the IPv4 address corresponding to a given Internet host name
gethostbyaddr() - 获取指定的IP地址对应的主机名
checkdnsrr() - 给指定的主机（域名）或者IP地址做DNS通信检查
getmxrr() - Get MX records corresponding to a given Internet host name
the named(8) manual page