PHParadise | category image handling | copy source code of resize offsite image

PHParadise > image handling > resize offsite image

grabs an image of another server and displays a resized version.
you can easily make and save thumbnails from remote images this way.

if you use this to just display the image, make sure there is NO output before this script, no blankspace, no nothing or you'll get a "headers already sent" error !

copy the code of image handling / resize offsite image

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<?php

/*------------------------------------------------------------------------------
|
|                             PHParadise source code
|
|-------------------------------------------------------------------------------
|
| file:             resize offsite image
| category:         image handling
|
| last modified:    Fri, 01 Jul 2005 22:39:17 GMT
| downloaded:       Fri, 25 May 2012 03:06:27 GMT as copy from textarea
|
| code URL:
| http://phparadise.de/php-code/image-handling/resize-offsite-image/
|
| description:
| grabs an image of another server and displays a resized version. you can easily
| make and save thumbnails from remote images this way. if you use this to just
| display the image, make sure there is NO output before this script, no
| blankspace, no nothing or you'll get a "headers already sent" error !
|
------------------------------------------------------------------------------*/

// make sure there is NO output before this script, no blankspace, no nothing
// or you'll get a "headers already sent" error

// the image from another site
$off_site = 'http://fundisom.com/supersonnig/nyc/4.jpg';

// save thumbnail or display resized image.
// leave blank to just show image
// otherwise specify the path and name where the thumbnai is saved
$savethumb = '';

// read binary stream
$fp = fopen($off_site, 'rb') or die('Unable to open file '.$off_site.' for reading');
$buf = '';
while(!feof($fp))
{
	$buf .= fgets($fp, 4096);
}
fclose($fp);

$data = $buf;

//set new height
$size = 150;
$src = imagecreatefromstring($data);
$width = imagesx($src);
$height = imagesy($src);
$aspect_ratio = $height/$width;

//start resizing
if($height <= $size)
{
	$new_w = $width;
	$new_h = $height;
}else{
	$new_h = $size;
	$new_w = abs($new_h / $aspect_ratio);
}

$img = imagecreatetruecolor($new_w,$new_h);

//output image
imagecopyresampled($img,$src,0,0,0,0,$new_w,$new_h,$width,$height);

// output header
if(empty($savethumb)) header('Content-Type: image/jpeg');

// determine image type and send it to the browser
// or save to file if specified
imagejpeg($img, $savethumb, 90);
imagedestroy($img);

PHParadise source code of “resize offsite image” in category “image handling”

PHParadise > image handling > resize offsite image

copy the code of image handling / resize offsite image