GETHOSTBYNAME(3) 1 GETHOSTBYNAME(3)gethostbyname - Get the IPv4 address corresponding to a given Internet host nameSYNOPSIS
string gethostbyname (string $hostname)
DESCRIPTION
Returns the IPv4 address of the Internet host specified by $hostname.
PARAMETERS
o $hostname
- The host name.
RETURN VALUES
Returns the IPv4 address or a string containing the unmodified $hostname on failure.
EXAMPLES
Example #1
A simple gethostbyname(3) example
<?php
$ip = gethostbyname('www.example.com');
echo $ip;
?>
SEE ALSO gethostbyaddr(3), gethostbynamel(3), inet_pton(3), inet_ntop(3).
PHP Documentation Group GETHOSTBYNAME(3)
Check Out this Related Man Page
INET_PTON(3) 1 INET_PTON(3)inet_pton - Converts a human readable IP address to its packed in_addr representationSYNOPSIS
string inet_pton (string $address)
DESCRIPTION
This function converts a human readable IPv4 or IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropri-
ate 32bit or 128bit binary structure.
PARAMETERS
o $address
- A human readable IPv4 or IPv6 address.
RETURN VALUES
Returns the in_addr representation of the given $address, or FALSE if a syntactically invalid $address is given (for example, an IPv4
address without dots or an IPv6 address without colons).
EXAMPLES
Example #1
inet_pton(3) Example
<?php
$in_addr = inet_pton('127.0.0.1');
$in6_addr = inet_pton('::1');
?>
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
+--------+---------------------------------------------------+
SEE ALSO ip2long(3), long2ip(3), inet_ntop(3).
PHP Documentation Group INET_PTON(3)
iam using gethostbyname for verifing whether net is active or not
it's work fine
but how it's work
i mean whether it is using ping or sending socket,
who it determining the internet .
thank u in advance
sree (2 Replies)
We have a code to find the DNS entry of a host that has a trailing '-' in its url (format example: mysite-.watch.com):
if(gethostbyname_r(host,host_ent,host_buffer,host_buffer_size,&host_error)==NULL)
{
//failed
}
But when remove the '-' from the host name the code does not return... (12 Replies)
Hi, does anyone knows how to get rid of this annoying warning? Thank you!
#include <netdb.h>
main()
{
gethostbyname("test");
}
$ gcc -static test.c
/tmp/ccW9HG18.o: In function `main':
test.c:(.text+0x19): warning: Using 'gethostbyname' in statically linked applications requires at... (3 Replies)
As we are facing issue with this server connection. The error is:
The system function gethostbyname() failed to find the client's host name.
how can i check if the server "server1" is able to resolve the client hostname (hosts / dns)?
i can ping the client from server.
any... (1 Reply)