<?
$address=$_SERVER['REMOTE_ADDR'];
if (isset($_REQUEST['port']) and
(!strlen($_REQUEST['port'])==0))
$port=$_REQUEST['port'];
else
unset($port);
if (isset($port) and
($socket=socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) and
(socket_connect($socket, $address, $port)))
{
$text="Connection successful on IP $address, port $port";
socket_close($socket);
}
else
$text="Unable to connect<pre>".socket_strerror(socket_last_error())."</pre>";
echo "<html><head></head><body>".
$text.
"</body></html>";
?>
<?
$address=$_SERVER['REMOTE_ADDR'];
if (isset($_REQUEST['port']) and
(!strlen($_REQUEST['port'])==0))
$port=$_REQUEST['port'];
else
unset($port);
if (isset($port) and
($socket=socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) and
(socket_connect($socket, $address, $port)))
{
$text="Connection successful on IP $address, port $port";
socket_close($socket);
}
else
$text="Unable to connect<pre>".socket_strerror(socket_last_error())."</pre>";
echo "<html><head></head><body>".
$text.
"</body></html>";
?>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
<?
$address=$_SERVER['REMOTE_ADDR'];
if (isset($_REQUEST['port']) and
(!strlen($_REQUEST['port'])==0))
$port=$_REQUEST['port'];
else
unset($port);
if (isset($port) and
($socket=socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) and
(socket_connect($socket, $address, $port)))
{
$text="Connection successful on IP $address, port $port";
socket_close($socket);
}
else
$text="Unable to connect<pre>".socket_strerror(socket_last_error())."</pre>";
echo "<html><head></head><body>".
$text.
"</body></html>";
?>
Output for 8.0.13
Warning: Undefined array key "REMOTE_ADDR" in /in/JDveU on line 2
Fatal error: Uncaught Error: Call to undefined function socket_strerror() in /in/JDveU:18
Stack trace:
#0 {main}
thrown in /in/JDveU on line 18
Process exited with code 255.
Notice: Undefined index: REMOTE_ADDR in /in/JDveU on line 2
Fatal error: Uncaught Error: Call to undefined function socket_strerror() in /in/JDveU:18
Stack trace:
#0 {main}
thrown in /in/JDveU on line 18
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to undefined function socket_strerror() in /in/JDveU:18
Stack trace:
#0 {main}
thrown in /in/JDveU on line 18
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Undefined index: REMOTE_ADDR in /in/JDveU on line 2
Fatal error: Call to undefined function socket_strerror() in /in/JDveU on line 18
Process exited with code 255.