#21277 [Opn->]: Suggestion: New function, is_ip
| From: | derick@php.net | Date: | Mon, 30 Dec 2002 06:32:20 +0000 |
| Subject: | #21277 [Opn->]: Suggestion: New function, is_ip | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-28719@lists.php.net to get a copy of this message | ||
ID: 21277
Updated by: derick@php.net
Reported By: webmaster@emugenerations.com
-Status: Open
+Status: Won\'t fix
Bug Type: Feature/Change Request
Operating System: Linux
PHP Version: 4.2.3
New Comment:
Can be done with a oneliner:
(something along the lines of:)
if (preg_match("/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\$/",
$ip) {
/* It is an IP */
}
Not really worth the trouble to implement it as a PHP code feature.
Derick
Previous Comments:
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[2002-12-29 18:54:21] webmaster@emugenerations.com
function is_ip($str) // Returns True if the given string is a IP
address
{
if ((substr_count($str, ".") != 3) or (empty($str))) { return false; }
$ip_array = explode(".", $str);
for ($i = 0; $i < count($ip_array); $i++)
{
if ((strlen($ip_array[$i]) != 3) or (!is_numeric($ip_array[$i])))
{
return false;
}
}
return true;
}
I think that this function could be useful for many PHP coders :)
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Edit this bug report at http://bugs.php.net/?id=21277&edit=1