Upload and Resize an Image with PHP

Upload and Resize an Image with PHP

<?php
error_reporting(0);
$change="";
$abc="";
define ("MAX_SIZE","400");
function getExtension($str) {
        $i = strrpos($str,".");
        if (!$i) { return ""; }
        $l = strlen($str) - $i;
        $ext = substr($str,$i+1,$l);
        return $ext;
}
$errors=0;
if($_SERVER["REQUEST_METHOD"] == "POST")
{
 $image =$_FILES["file"]["name"];
 $uploadedfile = $_FILES['file']['tmp_name'];
   if ($image)
 {
  $filename = stripslashes($_FILES['file']['name']);
   $extension = getExtension($filename);
  $extension = strtolower($extension);
if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png") && ($extension != "gif"))
  {
   $change='<div class="msgdiv">Unknown Image extension </div> ';
   $errors=1;
  }
  else
  {
$size=filesize($_FILES['file']['tmp_name']);
if ($size > MAX_SIZE*1024)
{
 $change='<div class="msgdiv">You have exceeded the size limit!</div> ';
 $errors=1;
}
if($extension=="jpg" || $extension=="jpeg" )
{
$uploadedfile = $_FILES['file']['tmp_name'];
$src = imagecreatefromjpeg($uploadedfile);
}
else if($extension=="png")
{
$uploadedfile = $_FILES['file']['tmp_name'];
$src = imagecreatefrompng($uploadedfile);
}
else
{
$src = imagecreatefromgif($uploadedfile);
}
echo $scr;
list($width,$height)=getimagesize($uploadedfile);
$newwidth=60;
$newheight=($height/$width)*$newwidth;
$tmp=imagecreatetruecolor($newwidth,$newheight);
$newwidth1=25;
$newheight1=($height/$width)*$newwidth1;
$tmp1=imagecreatetruecolor($newwidth1,$newheight1);
imagecopyresampled($tmp,$src,0,0,0,0,$newwidth,$newheight,$width,$height);
imagecopyresampled($tmp1,$src,0,0,0,0,$newwidth1,$newheight1,$width,$height);
$filename = "images/". $_FILES['file']['name'];
$filename1 = "images/small". $_FILES['file']['name'];
imagejpeg($tmp,$filename,100);
imagejpeg($tmp1,$filename1,100);
imagedestroy($src);
imagedestroy($tmp);
imagedestroy($tmp1);
}}
}
//If no errors registred, print the success message
if(isset($_POST['Submit']) && !$errors)
{
  // mysql_query("update {$prefix}users set img='$big',img_small='$small' where user_id='$user'");
 $change=' <div class="msgdiv">Image Uploaded Successfully!</div>';
}

?>
<style type="text/css">
 .help
{
font-size:11px; color:#006600;
}
body {
    color: #000000;
background-color:#999999 ;
   background:#999999 url(<?php echo $user_row['img_src']; ?>) fixed repeat top left;
 
 
 font-family:"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif;
 
 }
  .msgdiv{
 width:759px;
padding-top:8px;
padding-bottom:8px;
background-color: #fff;
font-weight:bold;
font-size:18px;-moz-border-radius: 6px;-webkit-border-radius: 6px;
}
#container{width:763px;margin:0 auto;padding:3px 0;text-align:left;position:relative; -moz-border-radius: 6px;-webkit-border-radius: 6px; background-color:#FFFFFF }
</style>
<div align="center" id="err">
<?php echo $change; ?>  </div>
  <div id="space"></div>
 <div id="container" >
  <div id="con">
  <table width="502" cellpadding="0" cellspacing="0" id="main">
         <tbody>
           <tr>
             <td width="500" height="238" valign="top" id="main_right">
    <div id="posts">
         <img src="<?php echo $filename; ?>" />      <img src="<?php echo $filename1; ?>"  />
       <form method="post" action="" enctype="multipart/form-data" name="form1">
    <table width="500" border="0" align="center" cellpadding="0" cellspacing="0">
              <tr><Td style="height:25px"> </Td></tr>
  <tr>
         <td width="150"><div align="right" class="titles">Picture
           : </div></td>
         <td width="350" align="left">
           <div align="left">
             <input size="25" name="file" type="file" style="font-family:Verdana, Arial, Helvetica, sans-serif; font-size:10pt" class="box"/>
    
             </div></td>
  </tr>
  <tr><Td></Td>
  <Td valign="top" height="35px" class="help">Image maximum size <b>400 </b>kb</span></Td>
  </tr>
  <tr><Td></Td><Td valign="top" height="35px"><input type="submit" id="mybut" value="       Upload        " name="Submit"/></Td></tr>
       <tr>
         <td width="200"> </td>
         <td width="200"><table width="200" border="0" cellspacing="0" cellpadding="0">
             <tr>
               <td width="200" align="center"><div align="left"></div></td>
               <td width="100"> </td>
             </tr>
         </table></td>
       </tr>
     </table>
    </form>
</div>
  </td>
        </tr>
         </tbody>
    </table>

</div>
     
 </div>