( ! ) Warning: Creating default object from empty value in /var/www/clients/client1/web1/web/modules/Forums/common.php on line 421
Call Stack
#TimeMemoryFunctionLocation
10.0000358448{main}( ).../modules.php:0
20.0013369392include( '/var/www/clients/client1/web1/web/index.php ).../modules.php:4
30.0412675928include( '/var/www/clients/client1/web1/web/modules/PHP_Manual/index.php ).../index.php:179
40.0420676840include( '/var/www/clients/client1/web1/web/header.php ).../index.php:157
50.0420693440head( ).../header.php:112
60.0420694024online( ).../header.php:39
70.0421694024my_online( ).../mainfile.php:720
80.0421697200include( '/var/www/clients/client1/web1/web/modules/Forums/common.php ).../custom_mainfile.php:1151
Omega13a's Corner - PHP Manual - Reference - Sockets
Omega13a's Corner
Contribute To This Site
Submit a Download
Submit a Link
Submit A Review for Omega13a's Corner

This Website Is Best Viewed In Mozilla Firefox 0.9+
You Are Currently Using
  Login or Register
::  Home   ::  Your Account   ::  Forums   ::  UFT Encyclopedia   ::  UFT Writer  ::
2020.81
Omega13a's Wish List
My Amazon.com Wish List
 
Affiliates
Supported by

[ Be A Supporter ]
[ NukeSupporters( tm) ]
 
Navigation
· Hom e
· Rep ort An Error

Omega13a's Corner

· Ome ga13a's Corner Index
· Ana grams
· Ana grams
· Aut ograms
· Aut ograms
· Bum per Stickers
· Bum per Stickers
· Cow Analogies
· Cow Analogies
· Cru el Baby Names
· Cru el Baby Names
· DHT ML Tricks
· DHT ML Tricks
· Dum b Criminals
· Dum b Criminals
· Dum b Headlines
· Dum b Headlines
· Dum b Laws
· Dum b Laws
· Dum b Questions
· Dum b Questions
· Dum b Quotes
· Dum b Quotes
· Dum b Signs
· Dum b Signs
· Dum b Warning Labels
· Dum b Warning Labels
· Eye witness Reports
· Eye witness Reports
· Fea rs
· Fea rs
· Gam es
· Gam es
· Goo gle Searches
· Goo gle Searches
· Gra phing Calculator
· Gra phing Calculator
· Hor oscope
· Hor oscope
· hta ccess Tutorials
· hta ccess Tutorials
· HTM L Manual
· HTM L Manual
· IP Lookup
· IP Lookup
· Jok es
· Jok es
· Mis c Funny Stuff
· Mis c Funny Stuff
· Odd Books
· Odd Books
· Odd Place Names
· Odd Place Names
· Odd Product Names
· Odd Product Names
· Our Solar System
· Our Solar System
· Pal indromes
· Pal indromes
· Pan grams
· Pan grams
· PEA R Manual
· PEA R Manual
· PHP Manual
· PHP Manual
· PHP Nuke Tools
· PHP Nuke Tools
· Poi ntless Quizzes
· Poi ntless Quizzes
· Pri me Numbers
· Pri me Numbers
· Ran dom Quotes
· Ran dom Quotes
· Ran t
· Ran t
· Rev iews
· Rev iews
· Rhy ming Pairs
· Rhy ming Pairs
· Sci -Fi/Fantasy Encyclopedia
· Sci -Fi/Fantasy Encyclopedia
· Wea ther
· Wea ther
· Wei rd Ads
· Wei rd Ads
· Wei rd Wide Web
· Wei rd Wide Web
· Zen Sarcasms
· Zen Sarcasms

Star Trek

·&nbs pBorg Species Designations
· Bor g Species Designations
· FAQ
· FAQ
· Sev Trek
· Sev Trek
· Sta r Trek Alien Sayings
· Sta r Trek Alien Sayings
· Sta r Trek Eggs
· Sta r Trek Eggs
· Sta r Trek Encyclopedia
· Sta r Trek Encyclopedia
· Sta r Trek Episode Guides
· Sta r Trek Episode Guides
· Sta r Trek Goofs
· Sta r Trek Goofs
· Sta r Trek Mysteries
· Sta r Trek Mysteries
· Sta r Trek Reviews
· Sta r Trek Reviews
· Sta r Trek Timeline
· Sta r Trek Timeline
· Tre k Today Headlines
· Tre k Today Headlines
· Wor lds in Star Trek
· Wor lds in Star Trek

Community

· Cha t Bot
· Cha t Bot
· Cha t Room
· Cha t Room
· Fee dback
· Fee dback
· For ums
· For ums
· Gue stbook
· Gue stbook
· Joi n a Webring
· Joi n a Webring
· Joi n the Staff
· Joi n the Staff
· Mem bers List
· Mem bers List
· Pri vate Messages
· Pri vate Messages
· Rec ommend Us
· Rec ommend Us
· Rul es/Terms of Use
· Rul es/Terms of Use
· Sur veys
· Sur veys
· Use r Journals
· Use r Journals
· Vot e For Us
· Vot e For Us
· Win An Award
· Win An Award
· You r Account
· You r Account

Media/Arts

· Dow nloads
· Dow nloads
· Fan Fictions
· Fan Fictions
· Han gman
· Han gman
· Ima ge Gallery
· Ima ge Gallery
· Tec hnobable Generator
· Tec hnobable Generator

Staff Personal Sections

· Lad y Lursa's Reading Corner

Links and Webrings

· Ban ner Exchanges
· Ban ner Exchanges
· Joi n Banner Exchange
· Joi n Banner Exchange
· Lin king To Us
· Lin king To Us
· Top sites
· Top sites
· Web Links
· Web Links
· Web rings
· Web rings

Site Info

· Abo ut the Owner
· Abo ut the Site
· Abo ut the Site
· Abo ut UFT_PHP
· Abo ut UFT_PHP
· Abo ut You
· Awa rds
· Awa rds
· Ban ned Stuff
· Ban ned Stuff
· Cop yright
· Cop yright
· Leg al Information
· Leg al Information
· Mod ifications Installed
· Mod ifications Installed
· Sea rch Results
· Sea rch Results
 
UFT Community

Omega13a's Corner Forums

 
Vote For Us
 
Ads


Socket Functions

CXLIX. Socket Functions

Introduction

The socket extension implements a low_level interface to the socket communication functions based on the popular BSD sockets, providing the possibility to act as a socket server as well as a client.

For a more generic client_side socket interface, see stream_socket_client(), stream_socket_server(), fsockopen(), and pfsockopen().

When using these functions, it is important to remember that while many of them have identical names to their C counterparts, they often have different declarations. Please be sure to read the descriptions to avoid confusion.

Those unfamiliar with socket programming can find a lot of useful material in the appropriate Unix man pages, and there is a great deal of tutorial information on socket programming in C on the web, much of which can be applied, with slight modifications, to socket programming in PHP. The Unix Socket FAQ might be a good start.

Note: This extension has been moved to the PECL repository and is no longer bundled with PHP as of PHP 5.3.0.

Requirements

No external libraries are needed to build this extension.

Installation

The socket functions described here are part of an extension to PHP which must be enabled at compile time by giving the --enable_sockets option to configure.

Note: IPv6 Support was added with PHP 5.0.0.

Runtime Configuration

This extension has no configuration directives defined in php.ini.

Resource Types

This extension has no resource types defined.

Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

AF_UNIX (integer)

AF_INET (integer)

AF_INET6 (integer)

SOCK_STREAM (integer)

SOCK_DGRAM (integer)

SOCK_RAW (integer)

SOCK_SEQPACKET (integer)

SOCK_RDM (integer)

MSG_OOB (integer)

MSG_WAITALL (integer)

MSG_PEEK (integer)

MSG_DONTROUTE (integer)

SO_DEBUG (integer)

SO_REUSEADDR (integer)

SO_KEEPALIVE (integer)

SO_DONTROUTE (integer)

SO_LINGER (integer)

SO_BROADCAST (integer)

SO_OOBINLINE (integer)

SO_SNDBUF (integer)

SO_RCVBUF (integer)

SO_SNDLOWAT (integer)

SO_RCVLOWAT (integer)

SO_SNDTIMEO (integer)

SO_RCVTIMEO (integer)

SO_TYPE (integer)

SO_ERROR (integer)

SOL_SOCKET (integer)

PHP_NORMAL_READ (integer)

PHP_BINARY_READ (integer)

SOL_TCP (integer)

SOL_UDP (integer)

Socket Errors

The socket extension was written to provide a usable interface to the powerful BSD sockets. Care has been taken that the functions work equally well on Win32 and Unix implementations. Almost all of the sockets functions may fail under certain conditions and therefore emit an E_WARNING message describing the error. Sometimes this doesn't happen to the desire of the developer. For example the function socket_read() may suddenly emit an E_WARNING message because the connection broke unexpectedly. It's common to suppress the warning with the @-operator and catch the error code within the application with the socket_last_error() function. You may call the socket_strerror() function with this error code to retrieve a string describing the error. See their description for more information.

Note: The E_WARNING messages generated by the socket extension are in English though the retrieved error message will appear depending on the current locale (LC_MESSAGES):
Warning - socket_bind() unable to bind address [98]: Die Adresse wird bereits verwendet

Examples

Example 1. Socket example: Simple TCP/IP server

This example shows a simple talkback server. Change the address and port variables to suit your setup and execute. You may then connect to the server with a command similar to: telnet 192.168.1.53 10000 (where the address and port match your setup). Anything you type will then be output on the server side, and echoed back to you. To disconnect, enter 'quit'.

#!/usr/local/bin/php -q
<?php
error_reporting
(E_ALL);

/* Allow the script to hang around waiting for connections. */
set_time_limit(0);

/* Turn on implicit output flushing so we see what we're getting
* as it comes in. */
ob_implicit_flush();

$address = '192.168.1.53';
$port = 10000;

if ((
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {
    echo
"socket_create() failed: reason: " . socket_strerror($sock) . "\n";
}

if ((
$ret = socket_bind($sock, $address, $port)) < 0) {
    echo
"socket_bind() failed: reason: " . socket_strerror($ret) . "\n";
}

if ((
$ret = socket_listen($sock, 5)) < 0) {
    echo
"socket_listen() failed: reason: " . socket_strerror($ret) . "\n";
}

do {
    if ((
$msgsock = socket_accept($sock)) < 0) {
        echo
"socket_accept() failed: reason: " . socket_strerror($msgsock) . "\n";
        break;
    }
    
/* Send instructions. */
    
$msg = "\nWelcome to the PHP Test Server. \n" .
        
"To quit, type 'quit'. To shut down the server type 'shutdown'.\n";
    
socket_write($msgsock, $msg, strlen($msg));

    do {
        if (
false === ($buf = socket_read($msgsock, 2048, PHP_NORMAL_READ))) {
            echo
"socket_read() failed: reason: " . socket_strerror($ret) . "\n";
            break
2;
        }
        if (!
$buf = trim($buf)) {
            continue;
        }
        if (
$buf == 'quit') {
            break;
        }
        if (
$buf == 'shutdown') {
            
socket_close($msgsock);
            break
2;
        }
        
$talkback = "PHP: You said '$buf'.\n";
        
socket_write($msgsock, $talkback, strlen($talkback));
        echo
"$buf\n";
    } while (
true);
    
socket_close($msgsock);
} while (
true);

socket_close($sock);
?>

Example 2. Socket example: Simple TCP/IP client

This example shows a simple, one_shot HTTP client. It simply connects to a page, submits a HEAD request, echoes the reply, and exits.

<?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 (
$socket < 0) {
    echo
"socket_create() failed: reason: " . socket_strerror($socket) . "\n";
} else {
    echo
"OK.\n";
}

echo
"Attempting to connect to '$address' on port '$service_port'...";
$result = socket_connect($socket, $address, $service_port);
if (
$result < 0) {
    echo
"socket_connect() failed.\nReason: ($result) " . socket_strerror($result) . "\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";
?>

Table of Contents
socket_accept -- Accepts a connection on a socket
socket_bind -- Binds a name to a socket
socket_clear_error -- Clears the error on the socket or the last error code
socket_close -- Closes a socket resource
socket_connect -- Initiates a connection on a socket
socket_create_listen -- Opens a socket on port to accept connections
socket_create_pair -- Creates a pair of indistinguishable sockets and stores them in an array
socket_create -- Create a socket (endpoint for communication)
socket_get_option -- Gets socket options for the socket
socket_getpeername --  Queries the remote side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type
socket_getsockname --  Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type
socket_last_error -- Returns the last error on the socket
socket_listen -- Listens for a connection on a socket
socket_read -- Reads a maximum of length bytes from a socket
socket_recv -- Receives data from a connected socket
socket_recvfrom -- Receives data from a socket, connected or not
socket_select --  Runs the select() system call on the given arrays of sockets with a specified timeout
socket_send -- Sends data to a connected socket
socket_sendto -- Sends a message to a socket, whether it is connected or not
socket_set_block --  Sets blocking mode on a socket resource
socket_set_nonblock -- Sets nonblocking mode for file descriptor fd
socket_set_option -- Sets socket options for the socket
socket_shutdown -- Shuts down a socket for receiving, sending, or both
socket_strerror -- Return a string describing a socket error
socket_write -- Write to a socket

Total Hits: 0

Powered by PHPNukePage Protected By Copyscape. Do Not CopyNukeSentinel ProtectedPowered by PEARPowered by PECL

© 2000, 2001, 2002 Trek Archive, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 United Federation of Trek.
Omega's Corner is © 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 omega13a.
Star Trek®, Star Trek: The Next Generation®, Star Trek: Deep Space Nine®, Star Trek: Voyager®, Enterprise®, and Star Trek: Enterprise® are registered trademarks of Paramount Pictures and Viacom. All Star Trek material found on this site is for promotional purposes only, and not personal or financial gain. No infringements on their copyrights is intended.
All logos and trademarks in this site are property of their respective owners. The comments are property of their posters.


ROR Sitemap Google Sitemap

PHP-Nuke Copyright © 2005 by Francisco Burzi. This is free software, and you may redistribute it under the GPL. PHP-Nuke comes with absolutely no warranty, for details, see the license.
Page Generation: 0.7886 Seconds
Server Load: 1.60
Queries: 33 (0.0082 seconds)
Included 110 files
253 classes defined
46 interfaces defined
0 classes loaded using __autoload()
2,760 functions defined
4,464 constants defined

:: subBlack phpbb2 style by spectre :: PHP-Nuke theme by www.nukemods.com ::

This Website Is Best Viewed In Mozilla Firefox 0.9+
You Are Currently Using

UFT's Webring of Sci-Fi and Fantasy
UFT's Webring of Sci-Fi and Fantasy
Previous site : Random : Next site : List sites
Powered by PHP-Ring
Psychology News
Scitrek webring
Scitrek webring
Previous site : Random : Next site : List sites
Powered by .PHP-Ring
Psychology News
robots.txt
Contributors Contact Us