PHParadise | category image handling | copy source code of image upload and resize

PHParadise > image handling > image upload and resize

this little script resizes your uploaded image on the fly and saves it as thumbnail.

respects aspect ratio and doesn't distort your image

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<?php

/*------------------------------------------------------------------------------
|
|                             PHParadise source code
|
|-------------------------------------------------------------------------------
|
| file:             image upload and resize
| category:         image handling
|
| last modified:    Wed, 16 Aug 2006 15:48:21 GMT
| downloaded:       Fri, 25 May 2012 03:06:03 GMT as copy from textarea
|
| code URL:
| http://phparadise.de/php-code/image-handling/image-upload-and-resize/
|
| description:
| this little script resizes your uploaded image on the fly and saves it as
| thumbnail. respects aspect ratio and doesn't distort your image
|
------------------------------------------------------------------------------*/

// if an image is uploaded
if(isset($_POST['submit']))
{
	// the thumbnail height
	$size = 150;

// the directory where the original uploaded image is saved
	$filedir = 'pics/';
	// the directory where the thumbnail image is saved
	$thumbdir = 'pics/';
	// the prefix to be added to the original name to name the thumbnail
	$prefix = 'small_';

// the file settings for the uploaded image
	$mode = '0666';
	
	$userfile_name = $_FILES['image']['name'];
	$userfile_tmp = $_FILES['image']['tmp_name'];
	$userfile_size = $_FILES['image']['size'];
	$userfile_type = $_FILES['image']['type'];
	
	if(isset($_FILES['image']['name'])) 
	{
		$prod_img = $filedir.$userfile_name;

$prod_img_thumb = $thumbdir.$prefix.$userfile_name;
		move_uploaded_file($userfile_tmp, $prod_img);
		chmod($prod_img, octdec($mode));
		
		$sizes = getimagesize($prod_img);

$aspect_ratio = $sizes[1]/$sizes[0];

if ($sizes[1] <= $size)
		{
			$new_w = $sizes[0];
			$new_h = $sizes[1];
		}else{
			$new_h = $size;
			$new_w = abs($new_h/$aspect_ratio);
		}

$dest = imagecreatetruecolor($new_w,$new_h)
			or die('Problem In Creating image');
		$src = imagecreatefromjpeg($prod_img)
			or die('Problem In opening Source Image');
		if(function_exists('imagecopyresampled'))
		{
			imagecopyresampled($dest,$src,0,0,0,0,$new_w,$new_h,imagesx($src),imagesy($src))
			or die('Problem In resizing');
		}else{
			Imagecopyresized($dest,$src,0,0,0,0,$new_w,$new_h,imagesx($src),imagesy($src))
			or die('Problem In resizing');
		}
		imagejpeg($dest,$prod_img_thumb,90)
			or die('Problem In saving');
		imagedestroy($dest);
	}

echo '
	<a href="'.$prod_img.'">
		<img src="'.$prod_img_thumb.'" width="'.$new_w.'" heigt="'.$new_h.'" alt="" />
	</a>';

// show an upload form to upload and resize an image
}else{

echo '
	<form method="post" action="'.$_SERVER['PHP_SELF'].'" enctype="multipart/form-data">
		<input type="file" name="image" />
		<input type="submit" name="submit" value="upload and resize image" />
	</form>';
}

PHParadise source code of “image upload and resize” in category “image handling”

PHParadise > image handling > image upload and resize

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