Upload, Resize, write to mySQL and get thumbnail from multiple images

While ago i found this post and made some changes. I edit it so multiplie fields can be posted to PHP and all images can be saved to mySQL database.
Function is uploading images and at same time re sizing them. Function creates small thumbnail pictures and saves image to the database.

You will need mySQL database so paths of images can be stored.

create table 'slike_ap'
(
'id' INT NOT NULL primary key AUTO_INCREMENT,
'user_id' int,
'ap_id' int,
'small'varchar,
'big' varchar,
);

PHP script

This script uploads and resizes images. Take a look at $newwidth if you have to modify size values. Ad more variables in array $slike for more pictures

<?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;

	$connection = mysql_connect("localhost","root","");
	if (!$connection) {
		die("Database connection failed: " . mysql_error());
	}

	$db_select = mysql_select_db("test",$connection);
	if (!$db_select) {
		die("Database selection failed: " . mysql_error());
	}

	$slike = array(file, file1, file2, file3, file4);
  if($_SERVER["REQUEST_METHOD"] == "POST")
 {

	$filearray = array();
	$filearray1 = array();
	$k=0;

  foreach($slike as $slika){
	$image =$_FILES[$slika]["name"];
	$uploadedfile = $_FILES[$slika]['tmp_name'];
 	if ($image)
 	{

 		$filename = stripslashes($_FILES[$slika]['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[$slika]['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 = $_FILES[$slika]['tmp_name'];
$src = imagecreatefromjpeg($uploadedfile);

}
else if($extension=="png")
{
$uploadedfile = $_FILES[$slika]['tmp_name'];
$src = imagecreatefrompng($uploadedfile);

}
else
{
$src = imagecreatefromgif($uploadedfile);
}

echo $scr;

list($width,$height)=getimagesize($uploadedfile);

$newwidth=600;
$newheight=($height/$width)*$newwidth;
$tmp=imagecreatetruecolor($newwidth,$newheight);

$newwidth1=130;
$newheight1=($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);

$image_name=(time()+$k).'.'.$extension;

$filename = "images/". $image_name;

$filename1 = "images/small_". $image_name;

imagejpeg($tmp,$filename,100);

imagejpeg($tmp1,$filename1,100);

$filearray[$k]= $filename;
$filearray1[$k]= $filename1;
$k++;

	mysql_query("Insert into slike_ap set user_id='2',
	ap_id='2',big='$filename',small='$filename1' ", $connection);

imagedestroy($src);
imagedestroy($tmp);
imagedestroy($tmp1);
}}
}
}
if(isset($_POST['Submit']) && !$errors)
 {
  	$change=' <div class="msgdiv">Image Uploaded Successfully!</div>';
 }
?>

You can download a whole script with html, highslide JS and comments. Try it your self and leave a comment if something stucks!