function fix_image($img_url)
{
//First download it
$fn = tempnam(sys_get_temp_dir(), 'NOT');
file_put_contents($fn, raw_get($img_url));
list($w, $h) = getimagesize($fn);
if (filesize($fn) > FILESIZE_LIMIT || $w > IMAGE_DIM_LIMIT || $h > IMAGE_DIM_LIMIT) {
$img_url = IMAGE_FIXER . '?img=' . rawurlencode($img_url);
}
unlink($fn);
return $img_url;
}
$context = stream_context_create(array('http' => array('method' => 'GET', 'header' => implode("\r\n", array('Accept-Charset: utf-8;q=0.7,*;q=0.7')))));
//Fetch raw output
$content = file_get_contents($url, FILE_TEXT, $context);
foreach ($http_response_header as $value) {
//If the response encoding is gzip, ungzip the content
if (stristr($value, 'gzip') !== false) {
$content = gzdecode($content);
break;
}
}
return $content;
}
//Fetch the content of image
$url = $_GET['img'];
$fn = tempnam(sys_get_temp_dir(), 'NOT');
file_put_contents($fn, raw_get($url));
$img = imagecreatefromjpeg($fn);
$w = imagesx($img);
$h = imagesy($img);
$ratio = 1.0;
//Check image dimension
if ($w > IMAGE_DIM_LIMIT) {
$ratio = min($ratio, IMAGE_DIM_LIMIT / (double) $w);
}
if ($h > IMAGE_DIM_LIMIT) {
$ratio = min($ratio, IMAGE_DIM_LIMIT / (double) $h);
}
unlink($fn);
$w = (int) floor($ratio * $w);
$h = (int) floor($ratio * $h);
$img = imagescale($img, $w, $h);
