Contains the most low-level helpers methods in Kohana:
Class declared in SYSPATH/classes/http.php on line 3.
The $protocollink to thisdefault protocol to use if it cannot be detected
string(8) "HTTP/1.1"Parses a HTTP header string into an associative array
string
$header_string
required - Header string to parseHTTP_Header
publicstaticfunctionparse_header_string($header_string){// If the PECL HTTP extension is loadedif(extension_loaded('http')){// Use the fast method to parse header stringreturnnewHTTP_Header(http_parse_headers($header_string));}// Otherwise we use the slower PHP parsing$headers=array();// Match all HTTP headersif(preg_match_all('/(\w[^\s:]*):[ ]*([^\r\n]*(?:\r\n[ \t][^\r\n]*)*)/',$header_string,$matches)){// Parse each matched headerforeach($matches[0]as$key=>$value){// If the header has not already been setif( ! isset($headers[$matches[1][$key]])){// Apply the header directly$headers[$matches[1][$key]] =$matches[2][$key];}// Otherwise there is an existing entryelse{// If the entry is an arrayif(is_array($headers[$matches[1][$key]])){// Apply the new entry to the array$headers[$matches[1][$key]][] =$matches[2][$key];}// Otherwise create a new array with the entrieselse{$headers[$matches[1][$key]] =array($headers[$matches[1][$key]],$matches[2][$key],);}}}}// Return the headersreturnnewHTTP_Header($headers);}
Parses the the HTTP request headers and returns an array containing key value pairs. This method is slow, but provides an accurate representation of the HTTP request.
// Get http headers into the request$request->headers = HTTP::request_headers();
HTTP_Header
publicstaticfunctionrequest_headers(){// If running on apache serverif(function_exists('apache_request_headers')){// Return the much faster methodreturnnewHTTP_Header(apache_request_headers());}// If the PECL HTTP tools are installedelseif(extension_loaded('http')){// Return the much faster methodreturnnewHTTP_Header(http_get_request_headers());}// Setup the output$headers=array();// Parse the content typeif( !empty($_SERVER['CONTENT_TYPE'])){$headers['content-type'] =$_SERVER['CONTENT_TYPE'];}// Parse the content lengthif( !empty($_SERVER['CONTENT_LENGTH'])){$headers['content-length'] =$_SERVER['CONTENT_LENGTH'];}foreach($_SERVERas$key=>$value){// If there is no HTTP header here, skipif(strpos($key,'HTTP_') !== 0){continue;}// This is a dirty hack to ensure HTTP_X_FOO_BAR becomes x-foo-bar$headers[str_replace(array('HTTP_','_'),array('','-'),$key)] =$value;}returnnewHTTP_Header($headers);}
Processes an array of key value pairs and encodes the values to meet RFC 3986
array
$params
= array(0) - Paramsstring
publicstaticfunctionwww_form_urlencode(array$params=array()){if( !$params)return;$encoded=array();foreach($paramsas$key=>$value){$encoded[] =$key.'='.rawurlencode($value);}returnimplode('&',$encoded);}