gistfile1.txt

<?php

function file_it($url) {
	$c = curl_init();
	curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($c, CURLOPT_URL, $url);
	$contents = curl_exec($c);
	curl_close($c);

	$file = basename($url);

	if ($contents) file_put_contents($file, $contents);

	echo "$file ok<br />";
}
file_it('http://wordpress.org/latest.tar.gz');