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PHP Web Development, Custom PHP Development of India based OPS – Instant, Interactive, Inexpensive (freelance php developer programmer wordpress joomla drupal and many open sources, cakephp and many frameworks)

October 2, 2011 3 comments

PHP Web Development, Custom PHP Development of India based OPS – Instant, Interactive, Inexpensive (freelance php developer programmer wordpress joomla drupal and many open sources, cakephp and many frameworks).

😀

Need to develop website in PHP? Want to develop custom applications in PHP? Looking for PHP development services at affordable costs? Then your search ends here.

Outsourcing Programming Services (OPS) – A leading PHP development company from India offers PHP web developmentservices at cost effective rates. Develop your custom high end applications through PHP development services. Increase business efficiency level and reduce business overheads by outsourcing custom PHP development requirements to us.

Request a Quote to know your PHP development costs for FREE, visit: https://bhavinrana.wordpress.com/

PHP Development Services by OPS:

• Custom PHP Development: Customized development with desired features and dynamic functionality
• PHP Application Development: Develop business web applications with elegant application user interface design
• PHP eCommerce Website Development: eCommerce shopping cart development services using Magento, CS Cart, VirtueMart, X-Cart, Zen Cart, etc.
• PHP MySQL Development: Develop dynamic and database driven website applications with PHP and MySQL
• Open Source PHP Implementation and Customization: Helps to develop and implement PHP Open Source Applications for businesses on open source and PHP platform i.e. LAMP, WAMP
PHP Web Development with MVC architecture: Develop web applications using CakePHP, Zend framework and CodeIgniter.

Based in India, leading PHP Development Company provides total PHP development solutions for various businesses & industries. It has a team of best Indian PHP developers who has developed and delivered thousands of custom PHP applications at affordable rates.

Drop a brief of PHP development requirements and get assisted by PHP Development experts in almost no time.

Contact:

bhavinrana07[@]gmail.com

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Categories: ajax, Androide developer, CakePHP, CakePHP Developer India, drupal freelancer india, Freelance PHP Developer, Freelance Programmer India, freelance web, freelance web designer, Freelance web developer, get a freelancer, Graphic Designer, Hire Dedicated Programmer, Hire Dedicated Programmer India, Hire PHP Developer India, Hire PHP Professional, Hire PHP Professional India, Hire PHP Programmer India, iOS, iphone 4, iphone application developer, iphone developer, iphone website designer, JavaScript, joomla customization india, Joomla Developer, joomla developer india, joomla freelancer india, jquery, mysql, open sources developer india, oscommerce Customization, oscommerce developer, php, PHP Developer, PHP Developer India, PHP Development, PHP Freelance, PHP Freelancer, PHP Freelancer India, php freelancing india, php freelancing india mumbai, PHP programmer, Php programming, web design india, web designer, web designer india, Web Developement Company USA, web developer, web developer ahemdabad india, web developer india, Web development India, Word Press Reserch, Wordpress Customization Services, Wordpress Developer, Wordpress Developer India, wordpress freelance developer, wordpress freelance programmer, wordpress freelancer, Wordpress Freelancer India, Wordpress Programmer, Wordpress Shopping Cart, Wordpress theme customization, wordpress theme integration, x cart development india, x-cart Tags: , , , , , , , , , , , , , , , , , , , ,

Google new chart API

September 28, 2011 Leave a comment

Hi All,

 

A new API from Google that generates information charts in a dynamic way. its usage is quite straightforward: you link to an image in the form of a parameterized URL, such as http://chart.apis.google.com/chart?cht=p3&chd=t:90,49&chs=400×200&chl=data|bling.

“cht=p3? is the chart type, in this case, a pie chart.

 

“chd=t:90,49? are the chart values, text-encoded, and separated by a comma.

“chs=400×200? is the custom chart size, 400 by 200 pixels.

“chl=Data|Bling” are the different labels for the pie chart sections, separated via the pipe character.

chart types include: line charts, bar charts, pie charts, Venn diagrams & scatterplots.

View Demo

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Submit Form Using Ajax (Post)

September 24, 2011 1 comment

Post.html

<script type="text/javascript" language="javascript">// <![CDATA[
var h_request = false;
function makePOSTRequest(url, parameters) {
h_request = false;

<!--more-->

if (window.XMLHttpRequest) //MOZILLA
{
h_request = new XMLHttpRequest();
if (h_request.overrideMimeType)
{
h_request.overrideMimeType('text/html');
}
}
else if (window.ActiveXObject) { // IE
try {
h_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
h_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!h_request) {
alert('Cannot create XMLHTTP instance');
return false;
}

h_request.onreadystatechange = alertContents;
h_request.open('POST', url, true);
h_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
h_request.setRequestHeader("Content-length", parameters.length);
h_request.setRequestHeader("Connection", "close");
h_request.send(parameters);
}

function alertContents() {
if (h_request.readyState == 4) {
if (h_request.status == 200) {
result = h_request.responseText;
document.getElementById('myspan').innerHTML = result;
} else {
alert('There was a problem with the request.');
}
}
}

function get(obj) {
var poststr = "mytextarea1=" + encodeURI( document.getElementById("mytextarea1").value ) +
"&mytextarea2=" + encodeURI( document.getElementById("mytextarea2").value );
makePOSTRequest('post.php', poststr);
}

// ]]></script>

<form action="javascript:get(document.getElementById('form1'));" name="form1" id="form1">
<textarea id="mytextarea1">testing data
1
2
3
</textarea>
<textarea id="mytextarea2">testing data 2
4
5
6</textarea>
<br>
<input type="button" name="button" value="Submit"
onclick="javascript:get(this.parentNode);">

</form>

<br><br>
Server-Response:<br>
<hr>
<span name="myspan" id="myspan"></span>
<hr>

Post.php

<?
print_r($_POST);
?>
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Timezones in MySQL and PHP

September 22, 2011 Leave a comment

Timezones in web applications are often dealt with the same way as character sets. Either incorrectly or ignored. The case of unicode is improving slowly as developers discover the need for international language support.
The problem with not handling timezones correctly is not apparent in the usual case of the webserver and the database server being in the same timezone. A lot of PHP code passes the task of timestamps on to MySQL, e.g. by calling NOW() on inserting or updating records. It is nessesary to know in what timezone the timestamps are stored to process them correctly.

Often a specific timezone is assumed for displaying date and time. This could very well be incorrect for a large number of visitors. If the database server is in yet another timezone, things begin to get out of sync.

MySQL’s handling of timezones is – obviously – separate from that of PHP. Along with the fact that the MySQL timezone can only be changed by users with SUPER privileges, this means that MySQL cannot be relied on for creation of timestamps in correct timezone. In other words, the usual call toNOW() is not an option.

PHP 5.1 introduced the date_default_timezone_set() method for setting the timezone PHP will use for functions like date() (or alternatively the date.timezone php.ini directive). This allows for a flexible and consistent way of creating timestamps in the correct timezone form within PHP. One user in London might start a thread while a response comes from New York. To handle this consistently and make sure both users see local time and the correct timespan between the posts, use date_default_timezone_set() to create the timestamps from PHP in a fixed timezone like GMT.

Time for an example to illustrate the practical use of this. I created a simple class Timer for dealing with these operations. The methods will be called statically as there is no need to instantiate the class.


class Timer 
{   
    static function DatetimeInGMT() {
        return date("Y-m-d H:i:s", time()-date("Z",time()));
    }

    static function GMTDatetimeToLocal($datetime) {
        $time = strtotime($datetime);
        return date("Y-m-d H:i:s", $time+date("Z",$time));
    }
}


Timer::DatetimeInGMT() produces a timestamp in GMT. I use it instead of MySQL’s NOW()because it calculates the time relative to the timezone set in PHP rather than that of MySQL.

When reading the timestamp back in to PHP, another function call is needed to convert it back to whatever timezone PHP is in at that time (it might be a different user viewing with another timezone setting). That’s the job of Timer::GMTDatetimeToLocal($datetime).

These two very simple functions and a correct setting of PHP’s timezone will ensure that dates are stored in a consistent way and displayed correctly.

 

 

CakePHP Auth Component For Dummies Tutorial

September 21, 2011 3 comments

First off, I would like to say much thanks to Gwoo for finally helping me to understand this thing.

So I know what you’re thinking; I’m probably the last person to finally figure out the CakePHP’s Auth Component. For the past few months, I’ve been using obAuthbecause that’s the only authentication I could get to work with CakePHP. I think that I was just making it more difficult than it should have been.

My main resource for learning the Auth Component has been Chris’s tutorial, but even then I still needed help. Also, I’m the type that doesn’t really learn much without code.

Note that I’m running off of the CaekPHP 1.2 beta.

Getting Started

Now you can modify this however you like, but I’m starting out with the basics. You’re going to need the following:

  • A user database with fields usernamepassword. Of course they don’t need to be named that way, but defaults are fun.
  • A User Model with Controller and Views – This can be baked from CakePHP
  • A login view for the user.
  • And a base app_controller.php. That’s it.

The Setup – app_controller and users_controller

So here’s the minimum in app_controller:

 

 

 

var $components = array('Auth');
 
function beforeFilter(){
    $this->Auth->loginAction = array('controller' => 'users', 'action' => 'login');
    $this->Auth->loginRedirect = array('controller' => 'pages', 'action' => 'display', 'home');
    $this->Auth->allow('display');
    $this->Auth->authorize = 'controller';
}
function isAuthorized() {
    return true;
}


You can always visit the API for a better understanding of what’s going on, but right now we’re just trying to get stuff working.

After that there’s the users_controller.php. This you can get straight out of CakePHP’s baking. You do need a small modification:

 

function login()
{
}
 
function logout(){
    $this->Session->setFlash('Logout');
    $this->redirect($this->Auth->logout());
}

Brief Explanation

Honestly, it’s magic; automagic to be precise. If you want to know how it works, you can read up in the API. But what I will do, is give you some of the magic words.

$this->Auth->authorize = ‘controller’

There are different types of authorization action (ugh – ACL stuff), CRUD (basically locks up all the editing stuff), and controller (gives you some need control). Hey, sorry I don’t know too much of what it does, just what I need.

$this->Auth->loginAction = array(‘controller’ => ‘users’, ‘action’ => ‘login’)

This tells yo what the login page is. It also controls where the user is redirected to if he’s not authorized to view a page.

$this->Auth->loginRedirect = array(‘controller’ => ‘pages’, ‘display’ => ‘home’)

Self explanatory: default action to redirect the user to when logged in if they go straight to the login page. If, however, they tried to access a restricted page then this will be ignored and when they login they’ll be redirected to where they wanted to go to.

$this->Auth->allow(array(‘display’))

This is one of the magic functions. By default, adding the authentication component locks down all actions, except the login and logout. This is your way of telling the component let me in to the ‘display’ action for every controller. You at least want to see the homepage right?

You can also add to this in the beforeFilter() of each controller you you need (don’t forget theparent::beforeFilter() to make sure the Auth stuff is still called). Likewise there’s a $this->Auth->deny(), which does the reverse. One small tip: you can also use allow(array(‘*’)) to allow everything.

User Controller

For right now, the login() action can be left as is. The Auth Component handles all that foot work beautifully. You just need to make sure you call $this->Auth->logout() in your logout() action. It has the added benefit of returning the Auth’s logoutRedirect, so $this->redirect($this->Auth->logout() works great.

Hire PHPBB Developer for Robust Web Forum Development

September 21, 2011 Leave a comment

In the online business, businessmen suppose to be using various web techniques to promote the business on the web. The more interaction with the related entities can open the more avenues for the business and one of the best modes of interaction and sharing information on the web is forums.Internet forums with business websites can do amazing business promotional work. Developing web forum involves a fair programming work that is complex for novice businessmen. One of the popular & unique PHPBB (PHP Bulletin Board) systems for developing robust internet forums to business websites is available in the web development. PHPBB softwareis based on PHP programming language. However, web forums can be developed using various other computer programming languages such as Perl, Java and ASP. Internet forum development for websites is complex and costly process. Businessman can hire PHPBB developer / programmerfor making it cost-effective & customize to use with business website.

Internet forums are efficient tool to use with business as they incredibly great source to reach and converse with people. Designing, developing and hosting of internet forums is costly process and small businessman or online business company suppose to seek affordable alternative. As PHP is an open source scripting language and hire dedicated PHPBB developer is the best option that can save precious money. He can specially build or performPHPBB development, customize it and host cost – effectively. Anyone in the online business can hire PHPBB Developer from PHP Web Development Company. The concept of hiring dedicated developer is popular in the present times, which is very helpful in technical terms as well as in the matter of affordability. Customized designing, development and hosting all three can be derived from one professional. Moreover, a hiredPHPBB Developer can provide the benefits or implement the features of all updated versions such as PHPBB2 & PHPBB3 into business.

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Speed up Page Load by reducing HTTP requests with PHP

September 20, 2011 Leave a comment

A nice technique to speed up your page loading times is to try to reduce the amount of calls your browsers has to make to the server. This will be every image, every css and every JavaScript file included in the webpage. Each time you want to load in one of these elements you will be sending a request to the server which will return the requested object known as a HTTP request.

Reduce Page Loading Time With PHP

Each one of these uses up time on your page loading, so to reduce page load all you have to do is reduce the amount of calls being made. But what if you want to organise you JavaScript files, jquery file, general file, application file and page file. There could be upto 4 requests for some javascript for the page.

It is possible in PHP to combine these JavaScript files together and trick the browser into thinking they are just one JavaScript file, therefore reducing the amount of calls being made to the server. This is done by reading the JavaScript with PHP then changing the header to JavaScript like the example below.

Create a PHP file and use the readfile function to bring in your Javascript files then change the header to Javascript and the server will treat this page as Javascript.

 
readfile(jquery.js');
readfile(general.js');
readfile(jquery-ui.js');
readfile(page.js');
header('Content-type: text/javascript');


The above technique can also be used with CSS files or a combination of them both.
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