note 38226 added to function.substr
| From: | d dot hawk at rn2 dot php dot net | Date: | Fri, 12 Dec 2003 21:37:45 +0000 |
| Subject: | note 38226 added to function.substr | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-61875@lists.php.net to get a copy of this message | ||
A down and dirty function to grab an IP address. Works well on RedHat8.
function ipaddress ($interface) {
//function parses out the IP Address of the given $interface
$ip_string = trim(exec ("ifconfig $interface | grep inet"));
$ip_start = strpos($ip_string,"addr:")+5;
$ip_length = (strpos($ip_string,"Bcast:")-2) - $ip_start;
$ip_address = substr($ip_string,$ip_start,$ip_length);
return $ip_address;
}
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Manual Page -- http://www.php.net/manual/en/function.substr.php
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