Code: Select all
<?php
define('ROOT_DIR', './');
define('THIS_SCRIPT', 'news');
define('PROPER', TRUE);
/**
* include common files
*/
include_once(ROOT_DIR. 'includes/common.inc.php');
$id = $_GET['id'];
$name = $_GET['name'];
$location = $_GET['location'];
$date_of_birth = $_GET['date_of_birth'];
$car_number = $_GET['car_number'];
$favourite_track = $_GET['favourite_track'];
$least_favourite_track = $_GET['least_favourite_track'];
$achievements = $_GET['achievements'];
$sponsors = $_GET['sponsors'];
$email = $_GET['email'];
$image = $_REQUEST['image'];
/// start uploading process
define ("MAX_SIZE","100");
// define the width and height for the thumbnail
// note that theese dimmensions are considered the maximum dimmension and are not fixed,
// because we have to keep the image ratio intact or it will be deformed
define ("WIDTH","150");
define ("HEIGHT","100");
// this is the function that will create the thumbnail image from the uploaded image
// the resize will be done considering the width and height defined, but without deforming the image
function make_thumb($img_name,$filename,$new_w,$new_h)
{
//get image extension.
$ext=getExtension($img_name);
//creates the new image using the appropriate function from gd library
if(!strcmp("jpg",$ext) || !strcmp("jpeg",$ext))
$src_img=imagecreatefromjpeg($img_name);
if(!strcmp("png",$ext))
$src_img=imagecreatefrompng($img_name);
//gets the dimmensions of the image
$old_x=imageSX($src_img);
$old_y=imageSY($src_img);
// next we will calculate the new dimmensions for the thumbnail image
// the next steps will be taken:
// 1. calculate the ratio by dividing the old dimmensions with the new ones
// 2. if the ratio for the width is higher, the width will remain the one define in WIDTH variable
// and the height will be calculated so the image ratio will not change
// 3. otherwise we will use the height ratio for the image
// as a result, only one of the dimmensions will be from the fixed ones
$ratio1=$old_x/$new_w;
$ratio2=$old_y/$new_h;
if($ratio1>$ratio2) {
$thumb_w=$new_w;
$thumb_h=$old_y/$ratio1;
}
else {
$thumb_h=$new_h;
$thumb_w=$old_x/$ratio2;
}
// we create a new image with the new dimmensions
$dst_img=ImageCreateTrueColor($thumb_w,$thumb_h);
// resize the big image to the new created one
imagecopyresampled($dst_img,$src_img,0,0,0,0,$thumb_w,$thumb_h,$old_x,$old_y);
// output the created image to the file. Now we will have the thumbnail into the file named by $filename
if(!strcmp("png",$ext))
imagepng($dst_img,$filename);
else
imagejpeg($dst_img,$filename);
//destroys source and destination images.
imagedestroy($dst_img);
imagedestroy($src_img);
}
// This function reads the extension of the file.
// It is used to determine if the file is an image by checking the extension.
function getExtension($str) {
$i = strrpos($str,".");
if (!$i) { return ""; }
$l = strlen($str) - $i;
$ext = substr($str,$i+1,$l);
return $ext;
}
// This variable is used as a flag. The value is initialized with 0 (meaning no error found)
//and it will be changed to 1 if an errro occures. If the error occures the file will not be uploaded.
$errors=0;
// checks if the form has been submitted
if(isset($_GET['Submit']))
{
//reads the name of the file the user submitted for uploading
$image=$_FILES['image']['name'];
// if it is not empty
if ($image)
{
// get the original name of the file from the clients machine
$filename = stripslashes($_FILES['image']['name']);
// get the extension of the file in a lower case format
$extension = getExtension($filename);
$extension = strtolower($extension);
// if it is not a known extension, we will suppose it is an error, print an error message
//and will not upload the file, otherwise we continue
if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png"))
{
echo '<h1>Unknown extension!</h1>';
$errors=1;
}
else
{
// get the size of the image in bytes
// $_FILES[\'image\'][\'tmp_name\'] is the temporary filename of the file in which the uploaded file was stored on the server
$size=getimagesize($_FILES['image']['tmp_name']);
$sizekb=filesize($_FILES['image']['tmp_name']);
//compare the size with the maxim size we defined and print error if bigger
if ($sizekb > MAX_SIZE*2024)
{
echo '<h1>You have exceeded the size limit!</h1>';
$errors=1;
}
//we will give an unique name, for example the time in unix time format
$image_name=time().'.'.$extension;
//the new name will be containing the full path where will be stored (images folder)
$newname="images/".$image_name;
$copied = copy($_FILES['image']['tmp_name'], $newname);
//we verify if the image has been uploaded, and print error instead
if (!$copied)
{
echo '<h1>Copy unsuccessfull!</h1>';
$errors=1;
}
else
{
// the new thumbnail image will be placed in images/thumbs/ folder
$thumb_name='images/thumbs/'.$image_name;
// call the function that will create the thumbnail. The function will get as parameters
//the image name, the thumbnail name and the width and height desired for the thumbnail
$thumb=make_thumb($newname,$thumb_name,WIDTH,HEIGHT);
}} }}
$query = "UPDATE driversnew SET name = '$name', location = '$location', date_of_birth='$date_of_birth', car_number='$car_number', favourite_track='$favourite_track', least_favourite_track='$least_favourite_track', achievements='$achievements', sponsors='$sponsors', email='$email', image='$image' WHERE id = '$id'";
mysql_query($query) or die(mysql_error());
// execute query
$result = mysql_query($query) ;
//if there was a problem - get the error message and go back
if (!$result)
{
echo "There were errors :<br>". mysql_error();
}
else //OK, then the insertion was successful
{
print "<p>The following records has been updated: </p>";
//Create a new query to display the new row in a table
$query = "SELECT id, name, location, date_of_birth, car_number, favourite_track, least_favourite_track, achievements, sponsors, email, image FROM driversnew WHERE id = '$id' "; $result = mysql_query($query) or die ("Error in query: $query. ".mysql_error());
echo "<table cellpadding=10 border=1>";
while($row = mysql_fetch_array($result)) {
echo "<tr>";
echo "<td>".$row["id"]."</td>";
echo "<td><strong>" .$row["name"]."</strong></td>";
echo "<td><strong>".$row["location"]."</strong></td>";
echo "<td><strong>" .$row["date_of_birth"]."</strong></td>";
echo "<td><strong>".$row["car_number"]."</strong></td>";
echo "<td><strong>" .$row["favourite_track"]."</strong></td>";
echo "<td><strong>".$row["least_favourite_track"]."</strong></td>";
echo "<td><strong>" .$row["achievements"]."</strong></td>";
echo "<td><strong>".$row["sponsors"]."</strong></td>";
echo "<td><strong>" .$row["email"]."</strong></td>";
echo "<td><strong>".$row["image"]."</strong></td>";
echo "</tr>";
} //End while
echo "</table>";
} //End Else insertion successful
//End else successful Amendment
?>