PHP: What to Do When Your Web Host Turns Off Fopen

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<?php #usage: $r = new HTTPRequest('http://www.php.net'); echo $r->DownloadToString(); class HTTPRequest { var $_fp; // HTTP socket var $_url; // full URL var $_host; // HTTP host var $_protocol; // protocol (HTTP/HTTPS) var... See more » <?php #usage: $r = new HTTPRequest('http://www.php.net'); echo $r->DownloadToString(); class HTTPRequest { var $_fp; // HTTP socket var $_url; // full URL var $_host; // HTTP host var $_protocol; // protocol (HTTP/HTTPS) var $_uri; // request URI var $_port; // port // scan url function _scan_url() { $req = $this->_url; $pos = strpos($req, '://'); $this->_protocol = strtolower(substr($req, 0, $pos)); $req = substr($req, $pos+3); $pos = strpos($req, '/'); if($pos === false) $pos = strlen($req); $host = substr($req, 0, $pos); if(strpos($host, ':') !== false) { list($this->_host, $this->_port) = explode(':', $host); } else { $this->_host = $host; $this->_port = ($this->_protocol == 'https') ? 443 : 80; } $this->_uri = substr($req, $pos); if($this->_uri == '') $this->_uri = '/'; } // constructor function HTTPRequest($url) { $this->_url = $url; $this->_scan_url(); } // download URL to string function DownloadToString() { $crlf = "\r\n"; // generate request $req = 'GET ' . $this->_uri . ' HTTP/1.0' . $crlf . 'Host: ' . $this->_host . $crlf . $crlf; // fetch $this->_fp = fsockopen(($this->_protocol == 'https' ? 'ssl://' : '') . $this->_host, $this->_port); fwrite($this->_fp, $req); while(is_resource($this->_fp) && $this->_fp && !feof($this->_fp)) $response .= fread($this->_fp, 1024); fclose($this->_fp); // split header and body $pos = strpos($response, $crlf . $crlf); if($pos === false) return($response); $header = substr($response, 0, $pos); $body = substr($response, $pos + 2 * strlen($crlf)); // parse headers $headers = array(); $lines = explode($crlf, $header); foreach($lines as $line) if(($pos = strpos($line, ':')) !== false) $headers[strtolower(trim(substr($line, 0, $pos)))] = trim(substr($line, $pos+1)); // redirection? if(isset($headers['location'])) { $http = new HTTPRequest($headers['location']); return($http->DownloadToString($http)); } else { return($body); } } } ?> <?php /* * @return string * @param string $url * @desc Return string content from a remote file * @author Luiz Miguel Axcar (lmaxcar@yahoo.com.br) */ function get_content($url) { $ch = curl_init(); curl_setopt ($ch, CURLOPT_URL, $url); curl_setopt ($ch, CURLOPT_HEADER, 0); ob_start(); curl_exec ($ch); curl_close ($ch); $string = ob_get_contents(); ob_end_clean(); return $string; } #usage: $content = get_content ("http://www.php.net"); var_dump ($content); ?> <?php function getthreat($mainurl,$backupurl) { $thefile = fopen("$mainurl", "r"); $return = fread($thefile, '500'); fclose($thefile); // update next line if hsas site changes. eregi("THREAT_ADVISORY CONDITION\=\"([a-z]+)\"", $return, $regs); $got_threat_lvl = $regs[1]; $got_threat_lvl = strtolower($got_threat_lvl); // Parse backup file at whitehouse site if first url fails if ($got_threat_lvl == "") { $thefile = fopen("$backupurl", "r"); $return = fread($thefile, '20000'); fclose($thefile); // update next line if whitehouse site changes. eregi("/images/threat/([a-z]+)\.jpg", $return, $regs); $got_threat_lvl = $regs[1]; } return $got_threat_lvl; } ?> <?php include('httprequest.class.php'); function getthreat($mainurl,$backupurl) { #usage: $r = new HTTPRequest($mainurl); $thefile = $r->DownloadToString(); $return =$thefile; // update next line if hsas site changes. eregi("THREAT_ADVISORY CONDITION\=\"([a-z]+)\"", $return, $regs); $got_threat_lvl = $regs[1]; $got_threat_lvl = strtolower($got_threat_lvl); // Parse backup file at whitehouse site if first url fails if ($got_threat_lvl == "") { $r = new HTTPRequest($backupurl); $thefile = $r->DownloadToString(); $return =$thefile; // update next line if whitehouse site changes. eregi("/images/threat/([a-z]+)\.jpg", $return, $regs); $got_threat_lvl = $regs[1]; } return $got_threat_lvl; } ?> See less »

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free, fsockopen, hosting, howto, php, solution, webhost

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PHP: What to Do When Your Web Host Turns Off Fopen

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