protected function get_image($url, $fp)
{
$filepath = $fp;
// get image from the external source
// set number of max. trials to load image
$trials = 1;
$ch = new CCURL($url, false);
$currentTry = $trials;
$content = null;
$HTTPStatus = 0;
while ($HTTPStatus != 200 && $currentTry > 0) {
if ($currentTry != $trials) {
usleep(100);
}
// wait for any subsequent try
$currentTry--;
$ch->createCurl();
$HTTPStatus = $ch->getHttpStatus();
}
if ($HTTPStatus == 200) {
$headers = $ch->getHeaders();
$content_type = false;
// default content type
// look for image header
foreach ($headers as $header) {
if (substr($header, 0, 19) == 'Content-Type: image') {
$content_type = $header;
break;
}
}
// traversing headers
if (!$content_type) {
// the content is not image
$content = null;
} else {
$content = $ch->__tostring();
if (strlen($content) > 400000) {
//image too big (> 400 KB)
// resize
$img_orig = imagecreatefromstring($content);
if ($img_orig == FALSE) {
return FALSE;
}
$orig_x = imagesx($img_orig);
$orig_y = imagesy($img_orig);
$new_x = 325;
$new_y = $orig_y * $new_x / $orig_x;
$img_new = imagecreatetruecolor($new_x, $new_y);
imagecopyresized($img_new, $img_orig, 0, 0, 0, 0, $new_x, $new_y, $orig_x, $orig_y);
// save resized image
imagejpeg($img_new, $filepath);
// clear mem
imagedestroy($img_new);
imagedestroy($img_orig);
} else {
// save image as is
file_put_contents($filepath, $content);
}
}
}
// if status 200
}
