days difference in php

$date2 = '2010-06-20';
$date1 = '2010-06-24';
$days = (strtotime($date1) - strtotime($date2)) / (60 * 60 * 24);
echo $days;

some other ways are also there. can any one reply as a comments

Get extension of filename in php

$path_info = pathinfo('lib.inc.php');

echo $path_info['extension'];

forgot login info php

http://www.megaupload.com/?d=KNF3D6T0

php registration form script

http://www.megaupload.com/?d=KNF3D6T0

Php Login Form Example

http://www.megaupload.com/?d=KNF3D6T0

Validate Image Using Javascript

function validate_image()
{
frmobj = document.frmRegistration; //Here "frmRegistration" is Form name

var image_file = frmobj.upload_file.value; /*Here "upload_file" is in this tag like input type="file" name="upload_file" */

var image_length = frmobj.upload_file.value.length;

var pos = image_file.lastIndexOf('.') + 1;

var ext = image_file.substring(pos, image_length);

var final_ext = ext.toLowerCase();

if(final_ext != 'jpg' && final_ext != 'jpeg' && final_ext != 'gif' && final_ext != 'png')
{
alert('Upload valid image');
return false;
}
return true;
}
Usage:
if(!validate_image()) return false;

create dynamic images in php

//Create Image By Url Method - 2
function create_image_by_url2($url)
{
$path_parts = pathinfo($url);
copy($url,$path_parts['basename']);
}
create_image_by_url2($url);

create dynamic images using php

$url = "http://technmarketing.com/wp-content/uploads/2009/03/twitter-wallpaper2.jpg";

//Create Image By Url Method - 1
function create_image_by_url1($url)
{
$target_path = $url;

$imgdir="";

$path_parts = pathinfo($url);

$file_name = $path_parts['basename'];

$imgext = $path_parts['extension'];

if($imgext=='jpg' || $imgext=='JPG')
$src_img=imagecreatefromjpeg($target_path);
if($imgext=='gif' || $imgext=='GIF')
$src_img=imagecreatefromgif($target_path);
if($imgext=='png' || $imgext=='PNG')
$src_img=imagecreatefrompng($target_path);
if($imgext=='jpeg' || $imgext=='jpeg')
$src_img=imagecreatefromjpeg($target_path);

$size = getimagesize($target_path);

$dst_img = imagecreatetruecolor($size[0],$size[1]);

imagecopyresampled($dst_img,$src_img,0,0,0,0,$size[0],$size[1],$size[0],$size[1]);

if(($imgext=='jpg') || ($imgext=='JPG') || ($imgext=='jpeg') || ($imgext=='JPEG'))
{
imagejpeg($dst_img, $imgdir.$file_name,90);
}else if(($imgext=='gif') || ($imgext=='GIF')){
imagegif($dst_img, $imgdir.$file_name,90);
}else if(($imgext=='png') || ($imgext=='PNG')){
imagepng($dst_img, $imgdir.$file_name,5);
}
}
create_image_by_url1($url);