<?php require_once('HTTP.php'); // for absoluteURI head("http://example.com"); function head($url, $timeout = 10) { $p = parse_url($url); if (!isset($p['scheme'])) { $p = parse_url(HTTP::absoluteURI($url)); } elseif ($p['scheme'] != 'http') { return false; } $port = isset($p['port']) ? $p['port'] : 80; if (!$fp = @fsockopen($p['host'], $port, $eno, $estr, $timeout)) { return false; } $path = !empty($p['path']) ? $p['path'] : '/'; $path .= !empty($p['query']) ? '?' . $p['query'] : ''; fputs($fp, "HEAD $path HTTP/1.0\r\n"); fputs($fp, 'Host: ' . $p['host'] . ':' . $port . "\r\n"); fputs($fp, "Connection: close\r\n\r\n"); while ($line = fgets($fp, 4096)) { echo $line; } fclose($fp); } ?>
内部的にechoになってるのがカコワルイけど。