(PHP 4 >= 4.0RC1)
ip2long --
Converts a string containing an (IPv4) Internet Protocol dotted address
into a proper address.
Description
int ip2long
(string ip_address)
The function ip2long() generates an IPv4 Internet
network address from its Internet standard format (dotted string)
representation.
Example 1. ip2long() Example
<?php
$ip = gethostbyname("www.php.net");
$out = "The following URLs are equivalent:<br>\n";
$out .= "http://www.php.net/, http://".$ip."/, and http://".ip2long($ip)."/<br>\n";
echo $out;
?>
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This second example shows how to print a converted address with the
printf() function :
Example 2. IP address displaying
<?php
$ip = gethostbyname("www.php.net");
printf ("%u\n", ip2long ($ip));
echo $out;
?>
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See also: long2ip()