75 Topics
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 | Everyone knows that PHP has such a bad rap for so much bad code being out there. I am a firm believer it is not a problem with PHP, itself, but rather the incredibly low barrier to entry (open source, readily available with nearly all web hosting packages, etc.) coupled …  |
| | When I run `getStats()` on my PHP instance, it results in the following: array ( '10.143.27.235:11211' => array ( '����' => '', 'pid' => 3602, 'uptime' => 49804, 'time' => 1663088274, 'version' => '1.5.22', 'libevent' => '2.1.8-stable', 'pointer_size' => 64, 'rusage_user' => 30.254434, 'rusage_system' => 62.188442000000002, 'max_connections' => 4096, 'curr_connections' … |
| | I'm trying to get Memcached persistent connections to work. We currently have a cluster of four Memcached servers each with 2GB of RAM, and four web servers. My code looks like this: public function __construct() { global $config; $this->cache = new Memcached('daniweb'); if ($this->cache->isPristine()) { $this->cache->setOptions(array( Memcached::OPT_NO_BLOCK => true, Memcached::OPT_BUFFER_WRITES … |
| | This question specifically relates to PHP's Memcached library when specifying a server key and adding multiple keys at once. **Question one**: Is it true that PHP's setMultiByKey() doesn't take advantage of the memcached server's native support for setting multiple keys at once, but that the logic is on PHP's side … |
 | <?php include 'ProcessDAO.php'; $dest=""; if(isset($_POST['login'])){ session_start(); // i get an error in this line !! $_SESSION['status']='online'; $_SESSION['breadcrumb']='home'; $pro = new ProcessDAO(); $dest = $pro->LogIn($_POST['username'],$_POST['password']); }else{ session_start(); $dest ="Location: ../index.php"; session_destroy(); } header($dest); ?> guyss can you help me out because in my Login.PHP file when i login i always get … |
| | The facts: We are talking about a small company (5 persons) with many clients that making real money (we don't) . We provide our own software that has unique features against the e-commerce completion. The problem: the first glimpse of the problem arose around 2012 and made clear around 2014 …  |
 | Hello, i want to cache embedded urls -YouTube, Vimeo- photos and videos so that i could reduce bandwidth usage and server load for my website. How can i help my website to do that? I know that browsers cache information `https://en.wikipedia.org/wiki/Web_cache`. Is there something i can to do to make …  |
 | Hello everyone, I'm currently developing a webpage that when user input the data needed in Advance Filtering and click on the button'Search Result',the table will show the data needed,but the problem is i get the error of Uncaught TypeError: Cannot read property 'fnDraw' of undefined when the user choose the …  |
| | Dazah API uses Redis to handle rate limiting. The goal is to limit every each client_id/user_id pair from making over 5,000 requests every 5 minutes. We use Codeigniter 3.x and it looks something like this: $flood_control = $CI->cache->get("user_limit:{$token_obj->client_id}:{$token_obj->user_id}"); if ($flood_control === false) { $CI->cache->save("user_limit:{$token_obj->client_id}:{$token_obj->user_id}", 0, 300); } else if ($flood_control … |
 | Hello, Recently I am dealing with bad performance in an php application that I have build, googling this issue I found out that using services like memcached you can archive a huge performance improvements. The weird thing comes when I try to find a very good and detailed example I … |
| | I use a webservice to pull some data from it everyday & update it on my MySQL database. I'll make around 600 calls to this service. The webservice response is very slow (takes around 30 minutes to complete 600 transactions) & during this time, the MySQL is also giving slow …  |
 | i am getting error Not Found The requested URL /home was not found on this server. please overview my code here . specially main functions are servePage and displayPage . <?php /** * Copyright 2009 - 2011 Color Shift, Inc. * * @package Luminance v4.0 * * This class handles …  |
| | I have a code that is going to pick the page title of the previous page and autopopulate a field in a form i have created. Users pick the job they want then upon clicking apply the go to an application form. There is a field that is being autopopulated … |
| | I have been wrestling with this subject for six months and can find no complete answer anywhere on the web or in any book seen. I have become very familiar with the debate and so it is not necessary to debate the following here. I had rather do all of …  |
| | pls i have a syntax error here... i have syntax error in line2 .... <?php mysql_query("insert into $s[pr]ad_type_google_dhtml VALUES (5, 'var dhtmlwindow={\r\najaxbustcache: true, //Bust caching when fetching a file via Ajax?\r\nminimizeorder: 0,\r\ntobjects: [], //object to contain references to dhtml window divs, for cleanup purposes\r\ninit:function(t){\r\n var domwindow=document.createElement(\"div\") //create dhtml window div\r\n … |
| | Although objects collections have a place in the PHP world many years now , their use is now flourishing because more and more PHP programmers turn to OOP. This tutorial is a sequel of https://www.daniweb.com/programming/web-development/tutorials/500118/a-simple-data-layer-for-oop-php-applications (we will refer to it as “previous tutorial”) and https://www.daniweb.com/programming/web-development/tutorials/500118/a-simple-data-layer-for-oop-php-applications , in order to understand … |
| | Hello, This tutorial is the next of “[A simple Data Layer for OOP PHP Applications](https://www.daniweb.com/programming/web-development/tutorials/500118/a-simple-data-layer-for-oop-php-applications)” so having read it and made your own tests is needed to understanding what we are doing. So far we have a Db object (child of PDO that standardize and simplifies its use) , a … |
| | There is a problem with static variables and functions in how it is used by apps and frameworks in PHP , they are used as global functions or parameters while this is by far what they mean. It is easy to write the same functional or even procedural code in …  |
| | Hello i have a problem with my website. It is running slow. I asked the my server provider why is that, and they replied its because the webiste uses many embedded urls like youtube, vimeo, dailymotion and so on. And so i have to cache these embedded urls. I tried … |
 | Hi All, I am working with a Magento (v1.8.1) site, which until a week or so ago, was working perfectly. I am using the SM_AMAZ theme, and have no plugins which could interfeare with performance. Everything will be fine, then something in the admin panel will get changed, and the …  |
| | I read a bit around here, but as I'm a newbie I couldn't configure what to change the description to on my own, can someone help me? I get this error: ` Warning: Illegal string offset 'members_seo_name' in F:\Server\xampp\htdocs\ipbwaqar\admin\sources\classes\output\publicOutput.php(3526) : eval()'d code on line 12` **publicOutput.php looks something like this:** …  |
| | I'm just wondering what the codeigniter caching library does and where it might be useful, or what problems people have encountered with it are. |
 | **Part One**: Learning the Basic Patterns **Disclaimer**: please pardon my spellogrammatico errors. I am not really a rough draft person. I type and write codes the split seconds as they crossed my mind, otherwise I will get extremely lazy and then will eventually hibernate like a tardigrade. I hope I … |
| | I cant install cakephp.I had wamp installed me.But when i try to install cakephp i got the following errors CakePHP: the rapid development php framework Release Notes for CakePHP 2.1.1. Read the changelog Notice (1024): Please change the value of 'Security.salt' in app/Config/core.php to a salt value specific to your … |
| | This seems kinda random but basically I have the following member function in my caching class: public function increment($key, $expires = 0) { // Requires OPT_BINARY_PROTOCOL return $this->cache->increment($key, 1, 0, $expires); } So then I want to do flood protection like this: $cache->increment('foo', 10) > 50 90% of the time … |
| | Hi mates, I am looking for a way to cache a PHP page that it's different for each session user. For example if the paginating is used and if I have 10 pages each page contains 25 entries extracted from database, also these entries are editable when clicking on button … |
 | It is not easy to make the choice of a PHP framework. A lot goes into choosing the proper PHP framework especially if you want to use it on a long term basis. A wrong choice of PHP framework may lead to certain disadvantages, like, increased development time, the need … |
 | I have seen this in a few posts, but i still cant seem to find the problem. Im basically trying to log in to a chat page and don't know what I'm doing wrong. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <?php //Start a session session_start(); //Setup and use … |
 | Hi all, I am trying to create an excel file in PHP which I then want to send as an attachment via the mail() function. I am able to create the excel file using the following code: function setHeader($excel_file_name)//this function used to set the header variable { header("Content-type: application/octet-stream");//A MIME … |
 | hello how are you today i have a problem with cache when i visit my site i saw the old topic of my site until i hit ctl+f5 to update the page so how ca i solve this problem is there any way to prevent browser store cache i have … |
| | Hi, PHP 5.2.17 (cli) (built: Sep 1 2011 17:22:41) Copyright (c) 1997-2010 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies [root@ip-10-130-243-182 mnt]# yum install php-pecl-memcached-2.1.0-1.el6.remi.x86_64.rpm Loaded plugins: fastestmirror Repository base is listed more than once in the configuration Repository updates is listed more than once in the …  |
| | Learning php. Set-up IIS7 on my local Win 7 computer. Accessing data from an Oracle database. Dreamweaver for IDE. Created a simple form.php page, POST action to process.php, pulls data from Oracle. Works fine (for my first php project). But when I edit the process.php file to try other techniques, … |
| | Hi guys, i have an application that seats on a single webserver that depends on a third party application running mssql, so i use mssql over free tds. now i have to scale this site so i have to think about how to handle the sessions. i ma basically looking … |
 | I'm making a website where users select one of the four options - A, B, C, or D (for simplicity) and press a button to be redirected to a different page (page 2) that uses the selection to display one of the four images at the top. The selection is … |
 | As the title says, I need to stop a user's browser from caching the form they've submitted. Is there any way of doing this? |
| | For security reasons, several articles recommend "do not cache pages". So I usually put the following at the beginning of my web pages header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); That works very … |
| | hi, i am about to rewrite an application that was written in zend 1.8. the owner complains that its quite slow so his default reaction is to rewrite it in any other framework of my choosing. the application is sometimes slow because they have not implemented any caching mechanism at … |
| | Hi, I ran a speed test for my site with Google Page Speed (and some other tools as well). The Google tool shows that i need to leverage browser caching and the expiration date for cacheable files in my site is currently set to 24h. I did a little bit … |
| | Hi, I just started using the Memcached php client instead of Memcache client. It's able to connect, but now when I run a get(), I get the following error: Memcached::get(): bad type specifier while parsing parameters It worked fine with Memcache? There's just one parameter ... the key to be … |
 | (If you are familiar with Memcached, better) can take a look at the img. on the third column (named 'Value'), I need to put a 'button/link' that when clicked it will display/hide the content of the cell. In a sort of javascript 'toggle' function. (i'm not sure which to use: … |
 | Hello everyone, First of all I would like to introduce myself, I'm tom and I spend hours developing websites. Right, down to the serious stuff... I have made a nice little AJAX based commenting system, it shows the 5 latest posts, so, when a user posts a comment the list …  |
| | Fatal error: Call to a member function query() on a non-object in C:\wamp\www\socials\chapter11\registry\mysqldb.class.php on line 240 here is the code: [CODE] <?php /** * Database management / access class: basic abstraction * * @author Michael Peacock * @version 1.0 */ class Mysqldb { /** * Allows multiple database connections * … |
| | Hi, I have a problem related to BACK button in browsers. In [U]very first page[/U] my basket shows "0 item". I go to [U]next page[/U] to add one item to basket and it shows "1 item" in [U]current page[/U]. If I hit BACK button in browser to go back to … |
 | I currently have a caching problem on my flash site. I have set the htaccess file to: [CODE]Header set Cache-Control "no-cache"[/CODE] But when I refresh the page, the images on the flash site still shows the old one from the cache. I also tried setting max age to 1, and … |
| | Hi, I did an example to see the time it takes to run a query and cache it but it doesn’t work and I cannot find why. Please give me a hand. No cache file gets created as well. In config/database.php: I’ve set $db[‘default’][‘cache_on’] = FALSE; because I don’t want … |
| | Hello, I have a very strange error. I recently installed a test environment on my laptop with IIS7/PHP5/MySQL on Vista Home Premium. When I tried to install phpMyAdmin I found that it somehow failed silently, in particular, config file could not get written even though no error was shown. To … |
| | Hello everyone, I am looking to exclude some specific content from a cache system based on APC. This content is a complete directory. So if you have any idea, please let me know. |
| | Hi, I've created a script to understand the logic of caching. Do you think my example below makes sense? I am asking because I've never used caching before. 1. Check if HTML version of current testfile.php exist in cache folder as testfile.html a. If YES then compare content of testpage.php … |
| | Hi guys, I need a help for caching web pages. My website is driven by database and updated everytime (sometimes minute by minute sometime hour by hour, never know). Content and some information comes from database as well. There are also some queries run behind for logging purposes based on … |
| | hey all, The server where I host my website went into unscheduled maintenance, a few minutes later I noticed that the IP of the server changed (they probably moved my website to another server since it's paid hosting although shared). So, my website was back online but some things weren't … |
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