php模仿用户访问网页程序代码
<?php function httpget($url, $followredirects = true) { global $final_url; $url_parsed = parse_url($url); if (empty($url_parsed['scheme'])) { $url_parsed = parse_url('http://' . $url); } $final_url = $url_parsed; $port = $url_parsed["port"]; if (!$port) { $port = 80; } $rtn['url']['port'] = $port; $path = $url_parsed["path"]; if (empty($path)) { $path = "/"; } if (!empty($url_parsed["query"])) { $path.= "?" . $url_parsed["query"]; } $rtn['url']['path'] = $path; $host = $url_parsed["host"]; $foundbody = false; $out = "get $path http/1.0 "; $out.= "host: $host "; $out.= "user-agent: mozilla/5.0 (windows; u; windows nt 5.1; en-us; rv:1.8.1) gecko/20061010 firefox/2.0 "; $out.= "connection: close "; if (!$fp = @fsockopen($host, $port, $errno, $errstr, 30)) { $rtn['errornumber'] = $errno; $rtn['errorstring'] = $errstr; } fwrite($fp, $out); while (!@feof($fp)) { $s = @fgets($fp, 128); if ($s == " ") { $foundbody = true; continue; } if ($foundbody) { $body.= $s; } else { if (($followredirects) && (stristr($s, "location:") != false)) { $redirect = preg_replace("/location:/i", "", $s); return httpget(trim($redirect)); } $header.= $s; } } fclose($fp); return (trim($body)); }
教程网址:http://www.phprm.com/code/33556.html
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