Created
April 23, 2016 21:46
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<?php | |
error_reporting(E_ALL); | |
echo "<h2>TCP/IP Connection</h2>\n"; | |
/* Get the port for the WWW service. */ | |
$service_port = getservbyname('www', 'tcp'); | |
/* Get the IP address for the target host. */ | |
$address = gethostbyname('www.example.com'); | |
/* Create a TCP/IP socket. */ | |
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); | |
if ($socket === false) { | |
echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n"; | |
} else { | |
echo "OK.\n"; | |
} | |
echo "Attempting to connect to '$address' on port '$service_port'..."; | |
$result = socket_connect($socket, $address, $service_port); | |
if ($result === false) { | |
echo "socket_connect() failed.\nReason: ($result) " . socket_strerror(socket_last_error($socket)) . "\n"; | |
} else { | |
echo "OK.\n"; | |
} | |
$in = "HEAD / HTTP/1.1\r\n"; | |
$in .= "Host: www.example.com\r\n"; | |
$in .= "Connection: Close\r\n\r\n"; | |
$out = ''; | |
echo "Sending HTTP HEAD request..."; | |
socket_write($socket, $in, strlen($in)); | |
echo "OK.\n"; | |
echo "Reading response:\n\n"; | |
while ($out = socket_read($socket, 2048)) { | |
echo $out; | |
} | |
echo "Closing socket..."; | |
socket_close($socket); | |
echo "OK.\n\n"; | |
?> |
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