php Socket creation and monitoring examples_PHP tutorial

This article provides examples of socket-related functions in PHP, such as creating a Socket, accepting a socket connection, writing a Socket, initializing the connection, and other operations. */

This article provides examples of socket-related functions in the PHP tutorial. If you create a socket, accept a socket connection, write a socket, initialize the connection and other operations. */
$ip="127.0.0.1"; //Define ip address
$port=1000; //Define port
$socket=socket_create(af_inet,sock_stream,sol_tcp); //Create socket
$bind=socket_bind($socket,$ip,$prot); //Bind a socket
$listen=socket_listen($socket); //Listen to the socket
$msg=socket_accept($socket );                                                                                                                      Enter a socket
socket_close($socket);                                                                                                                     ip address
$port=1000; //Define port
$socket=socket_create(af_inet,sock_stream,sol_tcp); //Create socket

socket_clear_error($socket); //Clear the socket error message

socket_close($socket); ; Create a pair of sockets and store them in the array */

if(!socket_create_pair(af_unix,sock_stream,0,$sockets)) //If the socket is not successfully created

{

echo socket_strerror(socket_last_error() ); //Output error message

}
/*Use the created socket to send and receive information*/
if(!socket_write($sockets[0],"abcdef123n",strlen("abcdef123n"))) //If the socket write fails
{
cho socket_strerror(socket_last_error()); //Output error message

}

if(!$data=socket_read($sockets[1],strlen( "abcdef123n"),php_binary_read)) //If reading information fails
{

echo socket_strerror(socket_last_error()); //Output error message

}
var_dump($data); Output socket data information
/*Close socket*/
socket_close($sockets[0]); >/*
*/

$ip="127.0.0.1"; //Define ip address
$port=1000; //Define port
$socket=socket_create(af_inet, sock_stream,sol_tcp); //Create socket
socket_set_nonblock($socket); ); //Lock socket
switch(socket_select($r=array($socket),$w=array($socket),$f=array($socket),5))
{
case 2:
echo "Connection refused! n";
break;
case 1:
echo "Successful connection n";
break;
case 0:
echo "Connection timeout n";

break;

}

/*

*/

/*The following code defines a socket listening class*/
class socketlistener extends socket
{
function __construct($port=null) //Define __construct method
{
$ this->stream=@socket_create_listen($port?$port:port); //Open the port to accept connections
}
function isactive() //Define the isactive method
{
if($ this->stream) //If there is a connection
{
return true; //Return a true value
}
else return false;           // Return false value
}
}
}

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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/444819.htmlTechArticleThis article provides examples of socket-related functions in php. If you create a Socket, accept a socket connection and write a Socket initialization Connection and other operations. */ This article provides sock in the php tutorial...