checking a domains availability using php

The availability API is probably the greatest feature of the Robowhois webservice, letting you check for a domain’s availability with a simple, uniform HTTP request.

Checking if is available

isAvailable('')) {
echo "pretty nice dream, uhm?";

The opposite thing is achieved using the ->isRegistered() method.

You can also retrieve an array as returned from the webservice, by doing:
whoisAvailability('')) {
echo $availability['available'];
echo $availability['registered'];
echo $availability['daystamp'];

Retrieve informations about your account

A must-have, since you should always check how many remaining credits you have, the account API lets you retrieve some of your personal data from your account:

Calculating how many left credits you have


if ($credits > 100) {
echo "No problem fella!";
} else {
echo "Time to go shopping looking for new API calls, uhm?";
} catch (Exception $e) {
echo "The following error occurred: " . $e->getMessage();

Minor things

We also polished some code, refactored stuff and added some tests (unit and integration ones).

For instance, when using the record API, you can retrieve the daystamp of the response as DateTime object:

retrieving the daystamp as an object or a string

whoisRecord('')) {
// returns a DateTime object
echo $whois->getDaystamp();

// formats the DateTime
echo $whois->getDaystamp()->format('Y-m-d');

// returns a string
echo $whois->getDaystamp(true);

You can download the latest tag of the library (currently 0.8.0) and start using it: the README exhaustively explains what you can do with this small client, and some samples are provided under the

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Waiting in the iPhone 5 Line? Send Us Your Photos

Apple devotees are already lining up to buy the iPhone 5, and the first spots in line have been claimed by the truest of fans.

iPhone releases always guarantee a colorful cast of characters, such as Apple co-founder Steve Wozniak, who makes regular appearances and one legendary New York fan who has been paid for the time he spends waiting.

Are you waiting on line? If you are, we’d love to see your pictures.

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JomSocial Component Roadmap

JomSocial Component Roadmap


The JomSocial Component as you know and love will continue to be developed as it always has been. We are putting our brightest mind into the project and scheduled updates well into the future.


Specifically, we have studied Joomla! development roadmap and have come up with a release roadmap that we feel is the best for everyone.


JomSocial Version Release Date Joomla! Version
2.4 November 2011 1.5,1.6,1.7,2.5
2.6 April 2012 1.5,1.6,1.7,2.5
2.8 October 2012 2.5.*
3.0 April 2013 2.5.*
3.5 September 2013 3.5.*


We have decided to focus our energy in supporting LTS version of Joomla! for as long as they are supported. In between those releases, you can expect regular maintenance release as well.


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PHP hide_email()

PHP hide_email()

1. What is it?

A PHP function to protect the E-mail address you publish on your website against bots or spiders that index or harvest E-mail addresses for sending you spam. It uses a substitution cipher with a different key for every page load. Look at the generated XHTML in the example while pressing the browsers “reload” button to see this in effect.

2. How does it work?

PHP encrypts your E-mail address and generates the javascript that decrypts it. Most bots and spiders can’t execute javascript and that is what makes this work. A visitor of your web page will not notice that you used this script as long as he/she has javascript enabled. The visitor will see “[javascript protected email address]” in stead of the E-mail address if he/she has javascript disabled.

3. Example

<?php echo hide_email(''); ?>

This is the PHP code you write where you want the E-mail address on your web page.

This is what the E-mail address will look like for the visitor of your web page.

<span id="e365384372">[javascript protected email address]</span><script type="text/javascript">/*<![CDATA[*/eval("var a=\"0XuhK3xIk_D1sc2895f+VZY-Fw.Wr4nySHgQNRC@jqevmaMUPLAboEldTiJzBtG6p7O\";var b=a.split(\"\").sort().join(\"\");var c=\"BazBcBazBuvdE\";var d=\"\";for(var e=0;e<c.length;e++)d+=b.charAt(a.indexOf(c.charAt(e)));document.getElementById(\"e365384372\").innerHTML=\"<a href=\\\"mailto:\"+d+\"\\\">\"+d+\"</a>\"")/*]]>*/</script>

This is the generated XHTML that the bot or spider will see instead of your E-mail address.

4. The code

The “hide_email()” PHP function is only 9 lines of code:

function hide_email($email) { $character_set = '+-.0123456789@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz'; $key = str_shuffle($character_set); $cipher_text = ''; $id = 'e'.rand(1,999999999); for ($i=0;$i<strlen($email);$i+=1) $cipher_text.= $key[strpos($character_set,$email[$i])]; $script = 'var a="'.$key.'";var b=a.split("").sort().join("");var c="'.$cipher_text.'";var d="";'; $script.= 'for(var e=0;e<c.length;e++)d+=b.charAt(a.indexOf(c.charAt(e)));'; $script.= 'document.getElementById("'.$id.'").innerHTML="<a href=\\"mailto:"+d+"\\">"+d+"</a>"'; $script = "eval(\"".str_replace(array("\\",'"'),array("\\\\",'\"'), $script)."\")"; $script = '<script type="text/javascript">/*<![CDATA[*/'.$script.'/*]]>*/</script>'; return '<span id="'.$id.'">[javascript protected email address]</span>'.$script; }

License: Public domain.

5. XHTML generator

You can use this generator if you have no PHP support on your web server. Change the E-mail address into your own E-mail address and press “Generate”. Cut and paste the generated XHTML into your own web page.

E-mail address
Generated XHTML

Because the generator uses Javascript instead of PHP you can save this page to disk as “Web Page, complete” and use it offline.

6. Credits

The idea of javascript E-mail address obfuscation is not mine. It seems that Tim Williams came up with the idea first. Andrew Moulden improved it by adding a generated key. Ross Killen wrote a PHP version that generates a different key every page load. My implementation is much like that of Ross Killen, but I implemented a slightly different encryption algorithm, minified and obfuscated the javascript and made the script valid for javascript strict and XHTML 1.0 strict parsing.

  1. HTML generator by Tim Williams (University of Arizona)
  2. Improved HTML generator by Andrew Moulden (Site Engineering Ltd.)
  3. PHP version by Ross Killen (Celtic Productions Ltd.)

7. Considerations

  • Users must have javascript enabled to see your E-mail address.
  • This does not protect you against bots and spiders that can execute javascript.
  • The position of the key and the cipher text in the javascript are constant.
  • If this script gets very popular bots and spiders might get taught decoding it.
  • Line 7 of the PHP code complicates decoding (due to “eval”), but can be left out.
  • The main reason for not adding much more complexity is wanting few lines of code.
  • I chose the “span” tag over the semantically more correct “noscript” tag;
    the XHTML 1.0 strict schema says the “noscript” tag may only contain “Block” elements.

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Delete All Folders and Files from FTP using PHP


<?php set_time_limit(250); // Configuration $path            =    ’/folder1/delete’; $ftp_server        =    ’’; $ftp_user_name    =    ’’; $ftp_user_pass    =    ’1234567′;

// set up a connection to ftp server $conn_id         =     ftp_connect( $ftp_server );

// login with username and password $login_result     =     ftp_login( $conn_id, $ftp_user_name, $ftp_user_pass ); echo “<div class=’base’><strong>Base Folder : </strong>”.$path.” is deleted</div>”;

// Call to delete all directory and Files from given FTP delete_ftp_files( $conn_id, $path );

Download WordPress 3.6.1

The latest stable release of WordPress (Version 3.6.1) is available in two formats from the links to your right. If you have no idea what to do with this download, we recommend signing up with one of our web hosting partners that offers a one-click install of WordPress or getting a free account on

Source :


Useful Information

Alt + 0153….. ™… trademark symbol
Alt + 0169…. ©…. copyright symbol
Alt + 0174….. ®….registered ­ trademark symbol
Alt + 0176 …°……degre ­e symbol
Alt + 0177 …±….plus-or ­-minus sign
Alt + 0182 …¶…..paragr ­aph mark
Alt + 0190 …¾….fractio ­n, three-fourths
Alt + 0215 ….×…..multi ­plication sign
Alt + 0162…¢….the ­ cent sign
Alt + 0161…..¡….. ­.upside down exclamation point
Alt + 0191…..¿….. ­upside down question mark
Alt + 1…….….sm ­iley face
Alt + 2 ……☻…..bla­ck smiley face
Alt + 15…..☼…­n
Alt + 12……♀…..female sign
Alt + 11…..♂……m­ale sign
Alt + 6…….♠…..spade
Alt + 5…….♣…… ­Club
Alt + 3……..…… ­Heart
Alt + 4…….♦…… ­Diamond
Alt + 13……♪…..e­ighth note
Alt + 14……♫…… ­beamed eighth note
Alt + 8721…. ∑…. N-ary summation (auto sum)
Alt + 251…..√…..s­quare root check mark
Alt + 8236…..∞….. ­infinity
Alt + 24…….↑….. ­up arrow
Alt + 25……↓…… ­down arrow
Alt + 26…..→…..ri­ght arrow
Alt + 27……←…..l­eft arrow
Alt + 18…..↕……u­p/down arrow
Alt + 29……↔…left right arrow

share it !

IE 9 Conditional Style Sheet

<!--[if IE 6]><link rel="stylesheet" type="text/css" href="/include/ie6stylehome.css" /><![endif]-->
<!--[if IE 7]>
        <link rel="stylesheet" type="text/css" href=";" <![endif]-->
<!--[if IE 8]>
        <link rel="stylesheet" type="text/css" href=";" <![endif]-->
 <!--[if IE 9]>
<link rel="stylesheet" type="text/css" href=";" <![endif]-->

 <link rel="stylesheet" media="only screen and (max-device-width: 1024px)" href=";" type="text/css" />
<style type="text/css">

Making your WordPress Plugin Responsive by using AJAX


Traditionally whenever you click a link on a web page it might do a request on the server for that URL and the complete page will be fetched from the server. This is fine in some cases but in some cases it is too time consuming for the whole page to load. There might not be much difference in the content of the page as many sections like the header, footer; sidebars might just be the same.

You can make your websites more responsive by using AJAX (Asynchronous JavaScript and XML). By using AJAX in your website and plugins you will not refresh the complete page. You will just get the content from the server which you want to update and only update that part of the page. So the complete reload of the pages does not remain necessary and you website seems much more responsive to the user. WordPress also has good support for AJAX. This makes it very easy to write plugins which use AJAX in them.

In this article we are going to see how to use AJAX in your plugin by writing a simple plugin which list the latest posts titles and then by clicking on the post title will fetch the contents of the post via an AJAX call.

Adding the necessary files and scripts

Let’s start by creating the plugin and adding some necessary scripts which will be necessary for our plugin to function.

First create a directory ajaxloadpost in you plugins directory of WordPress installation. In it create ajaxloadpost.php with the following content for the header of your plugin.

Plugin Name: Ajax Load Post
Description: This loads post via ajax
Author: Abbas Suterwala
Version: 1

Now you should be able to see your plugin in the plugin list, you should go and activate it.

Once you have activated the plugin you should also add the following code to your ajaxloadpost.php

define('AJAXLOADPOSTURL', WP_PLUGIN_URL."/".dirname( plugin_basename( __FILE__ ) ) );
function ajaxloadpost_enqueuescripts() {
    wp_enqueue_script('ajaxloadpost', AJAXLOADPOSTURL.'/js/ajaxloadpost.js', array('jquery'));
    wp_localize_script( 'ajaxloadpost', 'ajaxloadpostajax', array( 'ajaxurl' => admin_url( 'admin-ajax.php' ) ) );
add_action('wp_enqueue_scripts', ajaxloadpost_enqueuescripts);

In the above code we first we define a variable AJAXLOADPOSTURL which holds the URL to our plugin directory. We will use it wherever we need to point to the URL of our plugin.

Then we add the function ajaxloadpost_enqueuescripts too the wp_enqueue_scripts action of WordPress. This will help us enqueue the necessary scripts.

First we add our JavaScript file ajaxloadpost.js which should be in \wp-content\plugins\ajaxloadpost\js\ folder.

So now you should create the js folder and put the ajaxloadpost.js file in it.

The WordPress function wp_enqueue_script will enqueue this script for us and it also specifies that jquery is the prerequisite for this. Then we add a JavaScript variable using the WordPress function wp_localize_script which holds the WordPress AJAX URL which we get using the function admin_url( ‘admin-ajax.php’ ) ).

So finally you directory structure will be as follows and your scripts will be enqueued by WordPress.

Adding the AJAX handler in WordPress

Now let’s write our AJAX handler which will be the function which will handle when we make an AJAX call to WordPress. The code for our AJAX handler is as follows.

function ajaxloadpost_ajaxhandler() {
    if ( !wp_verify_nonce( $_POST['nonce'], "ajaxloadpost_nonce")) {
        exit("Wrong nonce");
    $results = '';
    $content_post = get_post($_POST['postid']);
    $results = $content_post->post_content;
add_action( 'wp_ajax_nopriv_ajaxloadpost_ajaxhandler', 'ajaxloadpost_ajaxhandler' );
add_action( 'wp_ajax_ajaxloadpost_ajaxhandler', 'ajaxloadpost_ajaxhandler' );

The above function assumes two inputs to it. One is the post id of the post whose content we want to fetch and second is the ‘nonce’ (this we will discuss in a separate section below).

This function first checks if the nonce is appropriate. Once that is done it gets its gets the posted from the $_POST variable. The using the WordPress API get_post we get the post via the post id and gets its content. And then we die by passing the contents back.

Once we have got our AJAX handler function in place now we need to register it with WordPress so that our function can be called once we make an AJAX request for it. We can do it by adding our function to the following actions.

add_action( 'wp_ajax_nopriv_ajaxloadpost_ajaxhandler', 'ajaxloadpost_ajaxhandler' );
add_action( 'wp_ajax_ajaxloadpost_ajaxhandler', 'ajaxloadpost_ajaxhandler' );

So now when an AJAX request is done to WordPress’s admin-ajax.php url with the action parameter as ajaxloadpost_ajaxhandler our function will be called.

The Javascript  for AJAX

Now let’s write the JavaScript function which will make the AJAX call for us and update the data which is returned by our AJAX handler. The function should be put in ajaxloadpost.js and is as follows.

function ajaxloadpost_loadpost(postid,nonce) {
        type: 'POST',
        url: ajaxloadpostajax.ajaxurl,
        data: {
            action: 'ajaxloadpost_ajaxhandler',
            postid: postid,
            nonce: nonce
        success: function(data, textStatus, XMLHttpRequest) {
            var loadpostresult = '#loadpostresult';
        error: function(MLHttpRequest, textStatus, errorThrown) {

This function takes two inputs the post id and the nonce. Then using the jQuery.ajax function we will make the AJAX call to the server. The URL is the WordPress AJAX URL of admin-ajax.php which we had stored in the JavaScript variable when enququing the scripts. Then we specify the action as the name of the action handler we registered with WordPress and post the post id and nonce.

In case of success we update the <div> of id #loadpostresult with the content returned by the AJAX handler. In case of error we just pop up the error.

Displaying the list of posts

Once we have put all these functions in place now let’s display the post title and then depending on the post which is clicked lets fetch the content for it with an AJAX call.

The code to do this as follows.

function ajaxloadpost_show_latest_posts($number = '5'){
    $results ='';
    $the_query = new WP_Query( 'posts_per_page='.$number );
    while ( $the_query->have_posts() ) :
        $nonce = wp_create_nonce("ajaxloadpost_nonce");
        $arguments =  get_the_ID().",'".$nonce."'";
        $link = ' <a onclick="ajaxloadpost_loadpost('.$arguments.');">'. get_the_title().'</a>';
        $result.= '<li>' . $link . '</li>';
    $result.=  '<div id="loadpostresult"></div>';
    return $result;
function ajaxloadpost_shortcode_function( $atts ){
    return ajaxloadpost_show_latest_posts();
add_shortcode( 'AJAXLOADPOST', 'ajaxloadpost_shortcode_function' );

In the function ajaxloadpost_show_latest_posts I do a query to get the latest post and loop over them to put all the titles in an <a> tag which call our JavaScript function ajaxloadpost_loadpost passing it the post id and nonce. It also adds an empty <div> which will be filled with the result from the AJAX handler.

I have also created a shortcode so that we can use it in a page. In case all is gone well you can add a shortcode [AJAXLOADPOST] in a page as see the post as follows.

Now clicking on the hello world post will fetch the content of it as follows.

A note on nonces

Nonces are basically used to check if the request is come from a genuine source. We generate the nonce using the WordPress function wp_create_nonce. Then this nonce is checked in our AJAX handler using the WordPress function wp_verify_nonce.

This is really important in case you are doing some sensitive task in your AJAX handler. You should always check nonces in your AJAX handler.


AJAX when used appropriately can make your site really responsive to use. WordPress makes it easy by receiving the AJAX call and passing it to our handler. We can easily write our logic and fetch the data which we want to return back to be updated on the front end. So have fun in using AJAX in your next plugin.


Know the WordPress Theme and the File Structure

This gallery contains 1 photo.

Source: WordPress has clear distinction between the functionality of the site that is the different features you have on your site and the way the site is displayed to the user. The appearance of the WordPress site to the … Continue reading

How To: Avoid Duplicate Posts

The Codex article the reader mentioned was regarding the Loop. Although the example shows how to avoid a single duplicate post, it doesn’t show how to avoid duplicating multiple posts.

Here’s how to show two individual loops without duplicating posts in either loop.

Step 1: Add a ‘posts_where’ Function

WordPress filter is needed to accomplish this, and we’re going to be tapping into the ‘posts_where‘ filter.

The reason being is we need to modify the query used for the loop and exclude some posts.

Here’s the function we’ll be using called post_strip:


function post_strip($where) {
	global $myPosts, $wpdb;
	$where .= " AND $wpdb->posts.ID not in($myPosts) "; 
	return $where;


In the above code, I use a global variable called $myPosts, which is comma-separated string of post IDs to exclude.

Step 2: Start the First Loop

Within this first loop we’ll be keeping track of the post IDs being used. Nothing fancy is being done here. We’re just pulling the last five posts posted.


global $myPosts;
$myPosts = '';
$my_query = new WP_Query();
if ($my_query->have_posts()) : while ($my_query->have_posts()) : $my_query->the_post(); ?>
<?php $myPosts .= $post->ID . ","; ?>
<div><?php the_title(); ?></div>
<!-- Post Stuff -->
<?php endwhile; endif; ?>


Pay special attention to the $myPosts variable, which is used to keep track of all of the post IDs.

Step 3: Add the Filter

We’ll now need to add a posts_where filter for the second loop. This filter will use thepost_strip function we started in Step 1.


<?php add_filter('posts_where', 'post_strip'); ?>


Step 4: Start the Second Loop

The second loop is a repeat of the first loop to demonstrate that the posts are not being duplicated. The second loop uses a different loop technique since paging isn’t necessary.


$my_query = new WP_Query('showposts=5');
while ($my_query->have_posts()) : $my_query->the_post();?> 
<div><?php the_title(); ?></div>

<!-- Post Stuff -->

<?php endwhile; ?>


Step 5: Remove the Filter

The filter we added in Step 3 now needs to be removed.


<?php remove_filter('posts_where', 'post_strip'); ?>


Step 6: Admire the Results

Before Duplicates Being Shown
Before – Duplicates Being Shown

After - Duplicates Removed
After – Duplicates Removed

Downloadable Code

Here is a sample index.php for download.


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How do I write a Technical Specification document for my software project?

1.1 Contractual 8
1.2 Purpose of the Document 8
1.3 Scope of the Software 8
1.4 Definitions, acronyms and abbreviations 8
1.5 References 9
1.6 Overview of the document 9


3.1 Functional requirements 13
3.1.1 User input interface (SR 1) 13
3.1.2 User output interface (SR 2) 13
3.1.3 Geantino source definition – particle sampling (SR 3) 13
3.1.4 Particle tracking (SR 4) 15
3.1.5 Histogramming of data (SR 5) 15
3.1.6 Geometry description (SR 6) 16
3.1.7 Run repetition (SR 7) 16
3.2 Performance requirements (SR 8) 16
3.3 Interface requirements (SR 9) 16
3.4 Operational requirements (SR 10) 16
3.5 Verification requirements (SR 11) 16
3.6 Acceptance testing requirements (SR 12) 16
3.7 Portability requirements 16
3.7.1 Platform, operating system and compiler (SR 13) 16
3.7.2 Portability to other platforms (SR 14) 17
3.8 Quality requirements (SR 15) 17
3.9 Maintainability requirements (SR 16) 17
3.10 Other requirements

5.1 main 20
5.1.1 Type 20
5.1.3 Interfaces 20
5.1.4 Dependencies 20
5.1.5 Data 20
5.1.6 Resources 20
5.1.7 Software requirements met 20
5.2 MyGeometryConstruction 20
5.2.1 Type 20
5.2.2 Functions 21
5.2.3 Interfaces 21
5.2.4 Dependencies 21
5.2.5 Data 21
5.2.6 Resources 21
5.2.7 Software requirements met 21



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