IMG Resize na uploaden

public function create_thumb($src, $dst, $width = 200, $height = 100, $streven = 'width', $kwaliteit = 75) {
		$src_img = @ImageCreateFromJPEG ( $src );
		
		$src_width = ImageSX ( $src_img );
		$src_height = ImageSY ( $src_img );
		
		//Kijken of het een portrait of een landscape of een vierkant is
		if ($src_height > $src_width) {
			/**
			 * Portrait
			 */
			$streven = 'width';
		} elseif ($src_height < $src_width) {
			/**
			 * Landscape
			 */
			$streven = 'width';
		} elseif ($src_height == $src_width) {
			$streven = 'both';
		}
		
		// Ratio's berekenen 
		if ($streven == 'width') {
			$ratio_x = ($src_width / $width);
			$ratio_y = $ratio_x;
		} elseif ($streven == 'height') {
			$ratio_y = ($src_height / $height);
			$ratio_x = $ratio_y;
		} elseif ($streven == 'both') {
			$ratio_x = ($src_width / $width);
			$ratio_y = ($src_height / $height);
		} else {
			return 'Incorrecte streefwaarde';
		}
		
		$dst_width = round ( $src_width / $ratio_x );
		$dst_height = round ( $src_height / $ratio_y );
		
		$dst_img = ImageCreateTrueColor ( $dst_width, $dst_height );
		$result = ImageCopyResampled ( $dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height );
		
		$result = ImageJPEG ( $dst_img, $dst, $kwaliteit );
		ImageDestroy ( $dst_img );
	}

public function create_thumb($src, $dst, $width = 200, $height = 100, $streven = 'width', $kwaliteit = 75) {
		$src_img = @ImageCreateFromJPEG ( $src );
 
		$src_width = ImageSX ( $src_img );
		$src_height = ImageSY ( $src_img );
 
		//Kijken of het een portrait of een landscape of een vierkant is
		if ($src_height > $src_width) {
			/**
			 * Portrait
			 */
			$streven = 'width';
		} elseif ($src_height < $src_width) {
			/**
			 * Landscape
			 */
			$streven = 'width';
		} elseif ($src_height == $src_width) {
			$streven = 'both';
		}
 
		// Ratio's berekenen 
		if ($streven == 'width') {
			$ratio_x = ($src_width / $width);
			$ratio_y = $ratio_x;
		} elseif ($streven == 'height') {
			$ratio_y = ($src_height / $height);
			$ratio_x = $ratio_y;
		} elseif ($streven == 'both') {
			$ratio_x = ($src_width / $width);
			$ratio_y = ($src_height / $height);
		} else {
			return 'Incorrecte streefwaarde';
		}
 
		$dst_width = round ( $src_width / $ratio_x );
		$dst_height = round ( $src_height / $ratio_y );
 
		$dst_img = ImageCreateTrueColor ( $dst_width, $dst_height );
		$result = ImageCopyResampled ( $dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height );
 
		$result = ImageJPEG ( $dst_img, $dst, $kwaliteit );
		ImageDestroy ( $dst_img );
	}

<?php
   include('SimpleImage.php');
   $image = new SimpleImage();
   $image->load('../images/aardbei.jpg');
   $image->resizeToWidth(15);
   $image->save('../images/picture.jpg');
   
   echo 'hallo';
?>

<?php
   include('SimpleImage.php');
   $image = new SimpleImage();
   $image->load('../images/aardbei.jpg');
   $image->resizeToWidth(15);
   $image->save('../images/picture.jpg');
 
   echo 'hallo';
?>