Below php function returns fan count for the given facebook page id.

<?php
function fan_count($page_id)
{
	// use caching mechanism to cache this fan count atleast for an hour
	// either store it into database or file

	$cache_file = 'temp/fan_count_cache.txt'; // give 777 permission to this file

	$cache_content = @file_get_contents($cache_file);

	if (!$cache_content)
	{
		$cache_arr = explode(" - ", $cache_content);
		$old_fan_count = $cache_arr[0];
		$cache_time = $cache_arr[1];
	}

	if (($cache_time + 3600) > time())
		return $old_fan_count;

	$id = $page_id; // ex. http://www.facebook.com/xyz
	$api_url = 'http://graph.facebook.com/';
	$output = @file_get_contents( $api_url . $id ); // facebook returns output in json format
	$result = json_decode( $output, true ); // converts json string to array

	$fan_count = 0;

	if ( is_array( $result ) && !isset( $result['error'] ) && isset($result['likes']) )
	{
		$fan_count = (int) $result['likes'];
		$current_time = time();

		@file_put_contents($cache_file, "$fan_count - $current_time");
	}

	return $fan_count;
}

echo fan_count('xyz'); // replace 'xyz' with your real facebook page id
?>

You can call this function

echo fan_count('xyz'); // replace 'xyz' with your real facebook page id

anywhere in your website to show the fan count.

To avoid this problem, you need to loop the child nodes and find out required nodes from child list.
Here is simple code explaining the problem.

  <div id="slideshow">
    <div id="slides">

     <!-- START slide 1 -->
      <div class="slide"> <img src="home_photos/home-01.jpg" width="975" height="450" />
      </div><!-- END slide 1 -->

      <!-- START slide 2-->
      <div class="slide"> <img src="home_photos/home-02.jpg" width="975" height="450" />
      </div><!-- END slide 2 -->

      <!-- START slide 3 -->
      <div class="slide"> <img src="home_photos/home-03.jpg" width="975" height="450" />
      </div><!-- END slide 3 -->

     <!-- START slide 4 -->
      <div class="slide"> <img src="home_photos/home-04.jpg" width="975" height="450" />
      </div><!-- END slide 4 -->

     </div><!-- END slides -->
   </div> <!-- END SLIDESHOW -->

To find out the slide images without comments section, we need to use tagName to eliminate comment nodes from list.

    var tempCollection = document.getElementById("slides").children;
    var slidesCollection = [];
    for(var i = 0; i < tempCollection.length; i++)
    {
    	if (tempCollection[i].tagName != "DIV") continue;
    	slidesCollection.push(tempCollection[i]);
    }

    totalSlides = slidesCollection.length;

Here is some experimental javascript code written to identify user click on Facebook Like button of your website.

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script type="text/javascript">// <![CDATA[
	var inside = false;
	$(document).ready(function() {
		$(".fb-like").mouseover(function() {
			inside = true;
		});
		$(".fb-like").mouseout(function() {
			inside = false;
		});

		function processIFrameClick() {
			if(inside) {
				// do you process here
				inside = false;
			}
		}

		if (typeof window.attachEvent != 'undefined') {
			top.attachEvent('onblur', processIFrameClick);
		}
		else if (typeof window.addEventListener != 'undefined') {
			top.addEventListener('blur', processIFrameClick, false);
		}
	});

// ]]></script>

When your webpage document loads, it will bind two events handler of facebook like button (mouseover, mouseout). Moving the mouse inside the facebook like button will make “inside” variable to true and taking out will make false.

Another event is bind with window object on blur. This event works when you click on Facebook Like button.
So you have to write your code futher in // do you process here location.

Small script to read xml files recursively from a specified directory. Return the results in array format. Same code is written in little different format to make it to work in PHP 4 and 5 versions.

PHP 4

<?php
	$dir_path = '.';
	$files = get_files($dir_path, '.xml', 'r');
	print_r($files); // return all xml files in array format.

	function get_files($dir_path = '.', $searchPattern = '', $searchOption = '') {

		$files = array();

		if (is_dir($dir_path)) {
			if ($handle = opendir($dir_path)) {
				$l_searchPattern = (!empty($searchPattern) && substr($searchPattern,0,1) == '*') ? '.' . substr($searchPattern,0,1) . preg_quote(substr($searchPattern,1)) : $searchPattern;
				while (($file = readdir($handle)) !== false) {
					if ($file == "." || $file == ".." ) continue;

					$complete_filepath = $dir_path .'/'. $file;

					if (is_dir($complete_filepath) && ($searchOption == 'recursive' || $searchOption == 'r')) {
						$files = array_merge($files, get_files($complete_filepath, $searchPattern, $searchOption));
						continue;
					}

					if (!is_dir($complete_filepath) && empty($l_searchPattern) || preg_match("/$l_searchPattern$/i", $file)) {
						array_push($files, $complete_filepath);
					}
				}
				closedir($handle);
			}
		}

		return $files;
	}
?>

PHP 5

<?php

	$dir_path = '.';

	$files = get_files($dir_path, '.xml', 'r');

	print_r($files);

	function get_files($dir_path = '.', $searchPattern = '', $searchOption = '') {

		$files = array();

		if (is_dir($dir_path)) {
			$scan_files = scandir($dir_path);

			$l_searchPattern = (!empty($searchPattern) && substr($searchPattern,0,1) == '*') ? '.' . substr($searchPattern,0,1) . preg_quote(substr($searchPattern,1)) : $searchPattern;
			foreach($scan_files as $file) {
				if ($file == "." || $file == ".." ) continue;

				$complete_filepath = $dir_path .'/'. $file;

				if (is_dir($complete_filepath) && ($searchOption == 'recursive' || $searchOption == 'r')) {
					$files = array_merge($files, get_files($complete_filepath, $searchPattern, $searchOption));
					continue;
				}

				if (!is_dir($complete_filepath) && empty($l_searchPattern) || preg_match("/$l_searchPattern$/i", $file)) {
					array_push($files, $complete_filepath);
				}
			}
		}

		return $files;
	}

?>

I have used scandir function in PHP 5 version, which is easiest way to read directories and files from specific directory. To learn more about scandir function – http://php.net/manual/en/function.scandir.php.

In get_files function, there are three parameters
1. $dir_path – The path you want to read files
2. $searchPattern – By default it is empty, If you don’t pass any value, then it will return all files. If you want only xml files then pass “.xml” or “*.xml”
3. $searchOption – By default it is empty, If you pass empty it will return files from top directory only. To recursively get files based on searchPattern then pass “recursive” or “r”.

Thanks for reading

<?php
$text = 'This is a simple text to find http://www.google.com
and http://www.about.com urls from the text and make it as links
URLs will be dynamically formatted as links, this avoid editing each post or text
in large archives or database - http://www.largeresource.net/ ';
$text = preg_replace( "/(^|\s)((http|https|ftp):\/\/[^\s<]+)/i", '\\1<a href="\\2">\\2</a>', $text );
echo $text;
?>

The above code will find the urls in $text and make it as links dynamically. This code can be used in any part of code structure easily.

<?php
    $in = fopen("http://xyz.com/backup.tar.gz", "rb");
    $out = fopen("backup.tar.gz", "w+");
    echo pipe_streams($in, $out);

    function pipe_streams($in, $out)
    {
        $size = 0;
        while (!feof($in)) $size += fwrite($out,fread($in,8192));
        return $size;
    }
?>

Create a download.php in your destination server and change the filename to be downloaded and created.
It will avoid user’s bandwidth and time and it is the easiest way to copy the large backup files from one server to another server, while changing the hosting server.

Download the latest phpmailer source code and copy it into your server.
And use the below script to send mails using SMTP server.

require_once("phpmailer/class.phpmailer.php");
require_once("phpmailer/class.smtp.php");

function smtp_auth_mail($to, $subject, $message, $headers, $auth = true)
{
	$mail             = new PHPMailer();

	$body             = $message;

	$mail->IsSMTP(); // telling the class to use SMTP
	$mail->Host       = "localhost"; // SMTP server
	$mail->Port       = "465"; // SMTP port
	$mail->SMTPSecure = "ssl"; // SMTP secure

	$mail->From       = "admin@xyz.com";
	$mail->FromName   = "XYZ Admin";

	if ($auth)
	{
		$mail->SMTPAuth	  = true;

		$mail->Username	  = "admin@xyz.com"; // in some servers @ will be replaced with +
		$mail->Password	  = "xyz123";
	}

	$mail->Subject    = $subject;

	$body = str_ireplace("\n", "<br>", $body);

	$mail->MsgHTML($body);

	$mail->AddAddress($to);

	if(!$mail->Send()) {
		if (stripos($mail->ErrorInfo, 'Data not accepted') === false)
			echo "Mailer Error: " . $mail->ErrorInfo;
			return false;
	} else {
	  return true;
	}
}

smtp_auth_mail('xyz@gmail.com', 'Test mail', 'Test mail from XYZ', '');

Finally smtp_auth_mail function will return true after sending the mail successfully otherwise it will return false.

<?php

	function selfURL() {
		if(!isset($_SERVER['REQUEST_URI'])) {
			$serverrequri = $_SERVER['PHP_SELF'];
		}
		else {
			$serverrequri = $_SERVER['REQUEST_URI'];
		}
		$s = empty($_SERVER["HTTPS"]) ? '' : ($_SERVER["HTTPS"] == "on") ? "s" : "";
		$protocol = substr(strtolower($_SERVER["SERVER_PROTOCOL"]), 0, strpos($_SERVER["SERVER_PROTOCOL"], '/')).$s;
		$port = ($_SERVER["SERVER_PORT"] == "80") ? "" : (":".$_SERVER["SERVER_PORT"]);
		return $protocol."://".$_SERVER['SERVER_NAME'].$port.$serverrequri;
	}
?>

You can get the complete URL by using the below code.

 <?php echo selfURL(); ?> 

Found this little snippet that does almost the same…

select name, create_date, modify_date from sys.objects where type='P' order by modify_date desc

To find stored procedures modified after specified date

select name, create_date, modify_date from sys.objects where type='P' and modify_date > '2010-05-26 12:10:44.810' order by modify_date desc

To find stored procedures modified in last 15 days

select name, create_date, modify_date from sys.objects where type='P' and datediff(day, modify_date, getdate()) <= 15 order by modify_date desc