Download de imagem externa

_downloadImage.php

<?php

function _downloadImage ($url, $fullpath = 'local/path/') 
{
	$pathinfo = pathinfo($url);
	$fullpath = $fullpath . $pathinfo['basename'];
	$out = $fullpath;
	
	$ch = curl_init($url);
	$fp = fopen($fullpath, 'wb');
	curl_setopt($ch, CURLOPT_FILE, $fp);
	curl_setopt($ch, CURLOPT_HEADER, 0);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
	curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	curl_exec($ch);
	curl_close($ch);
	fclose($fp);

	return $out;
}

?>