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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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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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PHP Development India – Best Language for Web Development

September 28, 2011 1 comment

Hi All,

In today’s advanced technological world, the popularity of the internet has been increasing and we see millions of websites running on the internet to fulfill the requirement of user and the figure keeps increasing each day. Therefore, the merchants are getting cut-throat competition on the internet. Strong representation of a website is thus necessary for its online success. Hence, merchants have been diverted to web development industry to build the strong online presence.

There are many options available for web development like php, asp.net, java, wordpress, etc., from them php becomes a first choice for company websites. Because PHP is an open source server side scripting language, which allows effective web development at affordable rates. PHP support multiple platforms and databases such as Linux kernel, MS Windows, MySQL, MS Access, SQL server & Oracle. It also offers an array of other features which can be used to make a website flexible and user-friendly.

Benefits of PHP Development:

  • Create a dynamic website that has a professional look
  • Its support various OS (operating system) like Windows, Linux and Unix
  • The coding is easily understandable
  • Web development at very affordable rates
  • Increase your ROI (Return of Investment)

Many countries provide php development services, from them India has taken first place in this field because Indian php developers offer excellent designing and development services and take new challenges with open arms and most important thing, you get your application at one-quarter of cost at your current rate.

 

 

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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Optimizing PHP Through Habits

September 23, 2011 Leave a comment

What has been a long interest of mine in writing simple, maintainable and secure (a.k.a. Good[tm]) code, has forked off the offspring of optimization.

There are nummerous discussions in the blogosphere about whether to use echo versus print, iffor() is faster than while(), etc. and though the gains are usually very small, I desided to add my thoughts to the debate.

I found an article on optimization through coding habits in Ilia Alshanetsky’s zend performance slides and decided to test some of the claims. My test machine is my MacBook Pro 1.83GHz w. 2GB RAM, MacOS X 10.4.9, Apache 1.3 and PHP 5.2 (with Xdebug 2.0). I also have lots of applications running.

  • Peter Bowyer claims that require_once() is 3-4 times slower than require(). Ilia also says they are bad. My testing reveals the exact opposite with an empty include file. Callingrequire_once() 10000 times in a for() loop with an empty file is 4x faster.
  • Ilia advises against using magic functions like __autoload() and __get(), but the advantage of __autoload() in particular is obvious in any large project and is used by many phpframeworks. My primitive testing, however, shows inverse results. With a simply autoload requiring a class and 10000 loops of new Foo() versus require_once('foo.php'); new Foo() shows that __autoload() is ~3.7 times faster. I saw no difference between real methods and __get(), although the logic inside __get() will add some overhead.
  • If a class method can be static, declare it static. Speed improvement is by a factor of 4. I get a 50% speed increase (614ms vs. 414ms with 100000 iterations).
  • Avoid function calls within for() loop control blocks. In for( $i=0; $i<count($x); $i++ )the count($x) is called at every iteration.
  • Always, always quote array keys. $row['id'] is way faster than $row[id]. Ilia says 700%, I say about 200%.
  • Avoid regex if possible. Use ctype_digit($foo); rather than preg_match("![0-9]+!", $foo);.
  • Get rid of ‘harmless’ error messages – they take time to generate and output. The error supression operator @ is slow, so avoid when possible. With error_reporting set to E_ALL | E_STRICT on my machine, doing echo $rows[id] 10000 times instead of echo $rows['id]takes 38 times longer.

     

    UPDATE: To summarize, this slow code runs in 500ms (although this time will vary a great deal depending on your error_reporting level):

     

     

     

     

    $rows = array_fill(0, 10000, array('id'=>0));
    require_once('foo.php');
    for( $i=0; $i < count($rows); $i++) {
        foo::notdeclaredstatic();
    
        $rows[$i][id] = 0;
    }
    
    
    
    
    By using the techniques above, it can be made to complete in 68ms:
    
    $rows = array_fill(0, 10000, array('id'=>0));
    function __autoload($classname) { require_once( 'foo.php'); }
    $size = count($rows);
    for( $i=0; $i < $size; $i++) {
        foo::declaredstatic();
    
        $rows[$i]['id'] = 0;
    }
    
    
    10000 iterations is a lot for one request to a page. Using the techniques, the code became roughly 7 times faster.
    
    I am not out to prove Ilia wrong - he knows PHP better than most - and 
    for all I know, they could have optimized those very functions in PHP 5.2. I am, however, 
    interested in seeing what can be done to optimize PHP performance simply by doing things differently,
    by tweaking one's coding style. It would appear that there are improvements, albeit small, to achieve 
    from minimal effort. Plus I was surprised by the discrepancies I found compared to Ilia's recommendations.
    
    

     

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.

 

 

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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