<?php
//define a maxim size for the uploaded images in Kb
define (“MAX_SIZE”,”100″);
//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;
}
function UploadImage(){
//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 and will not upload the file,
//otherwise we will do more tests
if (($extension != “jpg”) && ($extension != “jpeg”) && ($extension != “png”) && ($extension != “gif”))
{
//print error message
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
$size=filesize($_FILES[‘image’][‘tmp_name’]);
//compare the size with the maxim size we defined and print error if bigger
if ($size > MAX_SIZE*1024)
{
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
$image_name=’aboutus.’.$extension;
//the new name will be containing the full path where will be stored (images folder)
$newname=”upload/”.$image_name;
//we verify if the image has been uploaded, and print error instead
if(file_exists($newname))
{
unlink($newname);
}
$copied = copy($_FILES[‘image’][‘tmp_name’], $newname);
if (!$copied)
{
echo ‘<h1>Copy unsuccessfull!</h1>’;
$errors=1;
}
}
}
return $newname;
}
//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.
$errors=0;
//checks if the form has been submitted
if(isset($_POST[‘Submit’]))
{
$car_header_image = UploadImage();
$car_about_descr = $_POST[‘txtDesc’];
$str_car_about_page = “select * from car_about where car_aboutID = ‘1’ “;
$result = mysql_query($str_car_about_page);
$rows = mysql_num_rows($result);
if($rows > 0){
$update_car_about_page = “update car_about set car_header_image = ‘” . $car_header_image . “‘ , car_about_descr = ‘” . $car_about_descr . “‘”;
mysql_query($update_car_about_page );
}else{
$insert_car_about_page = “insert into car_about(car_header_image, car_about_descr) values(‘” . $car_header_image . “‘, ‘” . $car_about_descr . “‘)”;
mysql_query($insert_car_about_page);
}
}
//If no errors registred, print the success message
if(isset($_POST[‘Submit’]) && !$errors)
{
echo “<h1>File Uploaded Successfully! Try again!</h1>”;
}
?>
<html>
<head>
<title> Platinum Auto</title>
<link rel=”stylesheet” type=”text/css” href=”style.css” />
</head>
<body>
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