- 01
- 02
- 03
- 04
- 05
- 06
- 07
- 08
- 09
- 10
- 11
- 12
- 13
- 14
//ip address checking function
//for real use should have a return value but example code
function testipaddress ($nametotest) {
$ipaddress = $nametotest;
$ipaddress = gethostbyname($nametotest);
if ($ipaddress == $nametotest) {
echo "No ip address for host, so host "
. "not currently available in DNS and "
. "probably offline for some time<BR>";
}
else {
echo "good hostname, ipaddress = $ipaddress<BR>";
}
}
Пользовательские комментарии на php.net - это тот ещё кладезь.
http://www.php.net/manual/en/function.gethostbyname.php
crs 10.03.2011 06:27 # +3
$ipaddress = gethostbyname($nametotest);
Гениально!!!!