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

2018-01-19 12:00:31
linefo
470
最后编辑:linefo 于 2018-01-19 14:53:24

gethostbynamel

(PHP 4, PHP 5, PHP 7)

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

说明

array gethostbynamel ( string $hostname )

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

参数

hostname

The host name.

返回值

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

范例

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
)

参见

  • 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