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


gethostbynamel

(PHP 4, PHP 5)

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() - Get the Internet host name corresponding to a given IP address
  • checkdnsrr() - Check DNS records corresponding to a given Internet host name or IP address
  • getmxrr() - Get MX records corresponding to a given Internet host name
  • the named(8) manual page


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