system/core/classes/libraries/http/HttpRequest.php
public function fetchURL($url, $followRedirects = true, $username = null, $password = null, $headers = array())
    {

        if (function_exists('curl_init')) {

            $contents = $this->curlRequest($url, false, $followRedirects, $username, $password, $headers);

            return $contents;

        } else {

            if ($this->userAgent != null) {
                $opts = array(
                    'http'=> array(
                    'user_agent'=> $this->userAgent,
                    'max_redirects' => $this->redirects,              // stop after 10 redirects
                  )
                );

            }

            if ($username && $password) {
                $opts = ($opts) ? $opts : array('http' => array());
                $opts['http']['header'] =
                    array('Authorization: Basic '
                        . base64_encode("$username:$password"));
            }

            if ($headers) {
                $opts['http']['header'] =$headers;
            }

            $context = ($opts) ? stream_context_create($opts) : null;

            unset($opts);

            $contents = @file_get_contents($url, false, $context);

            if ($contents === false)
                throw new HttpRequestException("Unknown error fetching URL '".$url."'");

            unset($context);
            unset($url);

            return $contents;
        }
    }
public function fetchURL($url, $followRedirects = true, $username = null, $password = null, $headers = array())
    {

        if (function_exists('curl_init')) {

            $contents = $this->curlRequest($url, false, $followRedirects, $username, $password, $headers);

            return $contents;

        } else {

            if ($this->userAgent != null) {
                $opts = array(
                    'http'=> array(
                    'user_agent'=> $this->userAgent,
                    'max_redirects' => $this->redirects,              // stop after 10 redirects
                  )
                );

            }

            if ($username && $password) {
                $opts = ($opts) ? $opts : array('http' => array());
                $opts['http']['header'] =
                    array('Authorization: Basic '
                        . base64_encode("$username:$password"));
            }

            if ($headers) {
                $opts['http']['header'] =$headers;
            }

            $context = ($opts) ? stream_context_create($opts) : null;

            unset($opts);

            $contents = @file_get_contents($url, false, $context);

            if ($contents === false)
                throw new HttpRequestException("Unknown error fetching URL '".$url."'");

            unset($context);
            unset($url);

            return $contents;
        }
    }
public function fetchURL ( $ url , $ followRedirects = true , $ username = null , $ password = null , $ headers = array ( ) ) { if ( function_exists ( 'curl_init' ) ) { $ contents = $ this -> curlRequest ( $ url , false , $ followRedirects , $ username , $ password , $ headers ) ; return $ contents ; } else { if ( $ this -> userAgent != null ) { $ opts = array ( 'http' => array ( 'user_agent' => $ this -> userAgent , 'max_redirects' => $ this -> redirects , // stop after 10 redirects ) ) ; } if ( $ username && $ password ) { $ opts = ( $ opts ) ? $ opts : array ( 'http' => array ( ) ) ; $ opts [ 'http' ] [ 'header' ] = array ( 'Authorization: Basic ' . base64_encode ( "$username:$password" ) ) ; } if ( $ headers ) { $ opts [ 'http' ] [ 'header' ] = $ headers ; } $ context = ( $ opts ) ? stream_context_create ( $ opts ) : null ; unset ( $ opts ) ; $ contents = @ file_get_contents ( $ url , false , $ context ) ; if ( $ contents === false ) throw new HttpRequestException ( "Unknown error fetching URL '" . $ url . "'" ) ; unset ( $ context ) ; unset ( $ url ) ; return $ contents ; } }
Fetch the contents of a URL

@param string $url Fully-qualified URL to request
@param bool   $followRedirects If true, follow redirects to default max of 5
@param string $username Username to use in http authentication header
@param string $password Password to use in http authentication header
@param array  $headers  Array of http headers to append to the existing headers list

@return string Contents of the HTTP response body
@throws HttpRequestException If contents cannot be fetched
Fetch the contents of a URL