Re: note 28016 added to function.substr-count

Your code is buggy, as it accepts incorrect addresses like: 999.999.999.999 Your note will be removed. --- webmaster@emugenerations.com wrote: > This is a good example that claims how useful > substr_count can be. This function checks if the > given string is a IP address. > > 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; > } > > If you like this function, please vote it: > http://bugs.php.net/bug.php?id=21277 > -- > http://www.php.net/manual/en/function.substr-count.php > http://master.php.net/manage/user-notes.php?action=edit+28016 > http://master.php.net/manage/user-notes.php?action=delete+28016 > http://master.php.net/manage/user-notes.php?action=reject+28016 > > > -- > PHP Notes Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > ===== --- Jesus M. Castagnetto <jmcastagnetto@php.net> __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com