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PHP - Loving Php Websockets, But Is It Worth?
So I've been using this websocket: http://code.google.com/p/phpwebsocket/
Love it because I don't know javascript as well as I do PHP. (Absolutely hated learning socket.io and their style of javascript, just gave up on it).
Anyways, I'm using MYSQL with the php socket for the chatroom authentication with my forum. (Sending the cookie values to the socket, to authenticate user). It's working fine and the MYSQL only get's called for each time a user is authenticated (logged into the websocket). The usernames and sessions are actually stored in a Temporary array which is nice. So only on authentication it queries the database for the authentication itself. (Very lightweight and a smart way for a chat system).
My question is, how does this compare to a node.js and socket.io server with a MYSQL plugin, etc? seems like that route would actually be more intensive?
I don't even need to include the socket.io.js for the client / PHP setup I have here as well. This way seems lightweight in my opinion (clientside) but not sure on the server end.
Thoughts?
TLDR: Running a PHP Websocket as compared to a node.js/socket.io server with mysql plugins the same in performance? Is it even noticeable? Should I be worried?
Edit: Disregard compatibility issues too. ( Using this http://tools.ietf.org/html/rfc6455 protocol is fine for my audience and intentions )
Edited by Monkuar, 02 December 2014 - 07:46 PM. Similar Tutorials
function wsProcessClientMessage($clientID, $opcode, &$data, $dataLength) {
global $wsClients;
// check opcodes
if ($opcode == WS_OPCODE_PING) {
// received ping message
return wsSendClientMessage($clientID, WS_OPCODE_PONG, $data);
}
elseif ($opcode == WS_OPCODE_PONG) {
// received pong message (it's valid if the server did not send a ping request for this pong message)
if ($wsClients[$clientID][4] !== false) {
$wsClients[$clientID][4] = false;
}
}
elseif ($opcode == WS_OPCODE_CLOSE) {
// received close message
if (substr($data, 1, 1) !== false) {
$array = unpack('na', substr($data, 0, 2));
$status = $array['a'];
}
else {
$status = false;
}
if ($wsClients[$clientID][2] == WS_READY_STATE_CLOSING) {
// the server already sent a close frame to the client, this is the client's close frame reply
// (no need to send another close frame to the client)
$wsClients[$clientID][2] = WS_READY_STATE_CLOSED;
}
else {
// the server has not already sent a close frame to the client, send one now
wsSendClientClose($clientID, WS_STATUS_NORMAL_CLOSE);
}
wsRemoveClient($clientID);
}
elseif ($opcode == WS_OPCODE_TEXT || $opcode == WS_OPCODE_BINARY) {
// received text or binary message
if (function_exists('wsOnMessage')) wsOnMessage($clientID, $data, $dataLength, $opcode == WS_OPCODE_BINARY);
}
else {
// unknown opcode
return false;
}
return true;
}
Since I got my websocket PHP server running nicely with my MYSQL, I can now have some fun
Attack speed is very simple, but I need your help with the unixtimestamp.
For example, There is a field name called "last_attack" and each time a user attacks a mob and a skill was performed; it will be updated with:
time();Then I disable the attack button for 2 seconds client side, but I also check that value against time() serverside as well. Now let's say the user's attack speed is 1.30% I want to make that Attack Speed check, to check it dynamically. It should now check only if the attack was less than 1.7 seconds ago instead of 2 seconds. How do I split up the unixtimestamp to work with percents? Edited by Monkuar, 03 December 2014 - 02:11 PM. Little topic that's gonna bug me if I don't ask
I'm trying to learn static layouts, and I'm just getting the hang of them. A few friends are telling me to go responsive to accommodate mobile/tablet users? I can see it from a business sites perspective where you want all types of users and with ease of access, but my site is going to be a gaming modification community, where mobile users aren't really the target audience as it's quicker and easier to download them on the PC than a Phone. I was going to accommodate that audience by allowing them very basic usage (chat, forums, account) and leave off the heavy parts like the gallery, and downloads.
Am I going in the wrong direction? Should I be heading down the responsive route? I've literally only just started the first page for the site, but it'd mean re-learning a whole bunch more new stuff which'd prolong the sites progress.
Just looking for a little advice in which direction to head
I am using Amazon's S3 service to allow users to upload images. Since you have to pay for this service, my plan was to resize all uploaded images (maybe to a max of 200 pixels wide or something) immediately before sending them to Amazon. I googled this and only thing I found said that "resizing on the fly is slow and expensive because disk space is cheaper than CPU." Is this accurate? Anyone have any thoughts on this? I feel like I have to restrict the size of images some way because I don't wan't people uploading huge 2000x2000 images. In case it matters, below is some code I have used below for resizing (albeit on my own server), so I imagine I'll use something similar for this new project which ultimately sends the image to Amazon. Code: [Select] // This is the temporary file created by PHP $uploadedfile = $_FILES['userfile']['tmp_name']; // Create an Image from it so we can do the resize $src = imagecreatefromjpeg($uploadedfile); // Capture the original size of the uploaded image list($width,$height) = getimagesize($uploadedfile); $newheight=70; $newwidth= 70; $tmp=imagecreatetruecolor($newwidth,$newheight); // this line actually does the image resizing, copying from the original // image into the $tmp image imagecopyresampled($tmp,$src,0,0,0,0,$newwidth,$newheight,$width,$height); // now write the resized image to disk. I have assumed that you want the // resized, uploaded image file to reside in the ./images subdirectory. $imagefolder = 'images/userimages/user' . $_SESSION['userid'] . '.jpg'; $filename = $imagefolder; $_SESSION['filename'] = $filename; if (imagejpeg($tmp,$imagefolder,100)) { $imagemessage = "File is valid, and was successfully uploaded into FOLDER.\n"; $success="yes"; } else { $imagemessage = "Possible file upload attack!\n"; $success="no"; } imagedestroy($src); imagedestroy($tmp); // NOTE: PHP will clean up the temp file it created when the request // has completed. } I am trying to get a website up for my mother and am running into so many brick walls. There is so much i dont know about php. I know basics. What i would really love is some to try to tutor me through what i need to know. If anyone could do this for me i would be forever grateful. I have started learning OOP, by following a few tutorials, My problem with most tutorial is they show you how, but don't tell you the what and the why. It's all good an well seeing what to do, but if you have no idea why it's being done, you don't learn much. I started a tutorial on Udemy but am not actually gaining a lot from it. I want to alter the code so that it will do it the way I want it to. I am not wanting you to write the code for me, if you do please explain it so that I can understand the logic, preferably show me where to make changes and point me at the php tutorial that can solve my problem. I have been trying to solve this for a couple of weeks now, I tried a few things but none worked.
The full followLinks function
function followLinks($url) {
global $alreadyCrawled;
global $crawling;
$host = parse_url($url)["host"];
$parser = new DomDocumentParser($url);
$linkList = $parser->getLinks();
foreach($linkList as $link) {
$href = $link->getAttribute("href");
if((substr($href, 0, 3) !== "../") AND (strpos($href, $host) === false)) {
continue;
}
else if(strpos($href, "#") !== false) {
continue;
}
else if(substr($href, 0, 11) == "javascript:") {
continue;
}
// I need to change this below somehow, the two arrays are identical,
// What I want to do is move $href(crawled) to $alreadyCrawled and remove it from $crawling
// I also want to check if the current $href (crawling) is in $alreadyCrawled and if it is skip crawling and move on to the next one.
//In essence I want to prevent the crawler from crawling anything already crawled in order to speed up the crawler.
$href = createLink($href, $url);
if(!in_array($href, $alreadyCrawled)) {
$alreadyCrawled[] = $href;
$crawling[] = $href;
} else { continue;}
echo $href . "<br>";
}
array_shift($crawling);
foreach($crawling as $site) {
followLinks($site);
}
}
$startUrl = "https://imagimedia.co.za";
followLinks($startUrl);
?>
Result.
https://imagimedia.co.za/../seo/ https://imagimedia.co.za/../pages/marketing.html https://imagimedia.co.za/../pages/web-design.html http://imagimedia.co.za/ https://imagimedia.co.za/../website-cost-quote.php https://imagimedia.co.za/../blogs/history.html https://imagimedia.co.za/../blogs/payment.html https://imagimedia.co.za/../blogs/copy.html https://imagimedia.co.za/../blogs/cycle.html https://imagimedia.co.za/../blogs/information.html https://imagimedia.co.za/../blogs/privacy.html https://imagimedia.co.za/../blogs/terms.html https://imagimedia.co.za/../blogs/content-is-king.html https://imagimedia.co.za/../blogs/pretoria-north-web-design.html https://imagimedia.co.za/../blogs/annlin-web-design.html https://imagimedia.co.za/../blogs/ http://imagimedia.co.za http://imagimedia.co.za/../seo/ http://imagimedia.co.za/../pages/marketing.html http://imagimedia.co.za/../pages/web-design.html http://imagimedia.co.za/../website-cost-quote.php http://imagimedia.co.za/../blogs/history.html http://imagimedia.co.za/../blogs/payment.html http://imagimedia.co.za/../blogs/copy.html http://imagimedia.co.za/../blogs/cycle.html http://imagimedia.co.za/../blogs/information.html http://imagimedia.co.za/../blogs/privacy.html http://imagimedia.co.za/../blogs/terms.html http://imagimedia.co.za/../blogs/content-is-king.html http://imagimedia.co.za/../blogs/pretoria-north-web-design.html http://imagimedia.co.za/../blogs/annlin-web-design.html http://imagimedia.co.za/../blogs/ I know I am also going to have to exclude duplicates created by the http and https pages. But that is not my main issue. I have a search going on: <?php $sql = "SELECT * FROM video WHERE MATCH(name,description,location,keywords) AGAINST('" . mysql_real_escape_string($_POST['searchfield']) . "' IN BOOLEAN MODE)"; ?> I have rows that contain either "fort worth" or "fort collins" for example. When I search "fort worth" it finds all the rows including the fort collins rows. That is expected as it contains "fort". The issue is "fort collins" is showing up before "fort worth" What can I do fix this? If I take out the "IN BOOLEAN MODE" part then it works, but breaks other parts of my search |
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