http_parse_headers

(PECL pecl_http >= 0.10.0)

http_parse_headers — Parse HTTP headers

说明

array http_parse_headers ( string $header )

Parses HTTP headers into an associative array.

参数

header: string containing HTTP headers

返回值

Returns an array on success 或者在失败时返回 FALSE .

范例

Example #1 Using http_parse_headers()

  <?php
$headers  =  "content-type: text/html; charset=UTF-8\r\n" .
   "Server: Funky/1.0\r\n" .
   "Set-Cookie: foo=bar\r\n" .
   "Set-Cookie: baz=quux\r\n" .
   "Folded: works\r\n\ttoo\r\n" ;
 print_r ( http_parse_headers ( $headers ));
 ?>

以上例程会输出：

Array
(
  [Content-Type] => text/html; charset=UTF-8
  [Server] => Funky/1.0
  [Set-Cookie] => Array
  (
    [0] => foo=bar
    [1] => baz=quux
  )
  [Folded] => works
    too
)

参见

http_parse_message() - Parse HTTP messages
http_parse_cookie() - Parse HTTP cookie

用户评论:

[#1] ricardovermeltfoort at gmail dot com [2013-08-15 11:03:12]

I made a small mistake in http://www.php.net/manual/en/function.http-parse-headers.php#112986

The line
<?php $headers[0] = trim($h[0]);trim($h[0]); ?>
Should be changed to:
<?php $headers[0] = trim($h[0]); ?>

[#2] ricardovermeltfoort at gmail dot com [2013-08-15 10:10:03]

Taken from http://www.php.net/manual/en/function.http-parse-headers.php#112917 and modified to: make folded work too, return status in first key.

<?php if (!function_exists('http_parse_headers')) {     function http_parse_headers($raw_headers)     {         $headers = array();         $key = ''; // [+]         foreach(explode("\n", $raw_headers) as $i => $h)         {             $h = explode(':', $h, 2);             if (isset($h[1]))             {                 if (!isset($headers[$h[0]]))                     $headers[$h[0]] = trim($h[1]);                 elseif (is_array($headers[$h[0]]))                 {                     // $tmp = array_merge($headers[$h[0]], array(trim($h[1]))); // [-]                     // $headers[$h[0]] = $tmp; // [-]                     $headers[$h[0]] = array_merge($headers[$h[0]], array(trim($h[1]))); // [+]                 }                 else                 {                     // $tmp = array_merge(array($headers[$h[0]]), array(trim($h[1]))); // [-]                     // $headers[$h[0]] = $tmp; // [-]                     $headers[$h[0]] = array_merge(array($headers[$h[0]]), array(trim($h[1]))); // [+]                 }                 $key = $h[0]; // [+]             }             else // [+]             { // [+]                 if (substr($h[0], 0, 1) == "\t") // [+]                     $headers[$key] .= "\r\n\t".trim($h[0]); // [+]                 elseif (!$key) // [+]                     $headers[0] = trim($h[0]);trim($h[0]); // [+]             } // [+]         }         return $headers;     } } ?>

Example:

<?php $headers = "HTTP/1.1 200 OK\r\n".     "content-type: text/html; charset=UTF-8\r\n".     "Server: Funky/1.0\r\n".     "Set-Cookie: foo=bar\r\n".     "Set-Cookie: baz=quux\r\n".     "Folded: works\r\n\ttoo\r\n"; print_r(http_parse_headers($headers)); ?>

The above example will output:

Array
(
    [0] => HTTP/1.1 200 OK
    [content-type] => text/html; charset=UTF-8
    [Server] => Funky/1.0
    [Set-Cookie] => Array
        (
            [0] => foo=bar
            [1] => baz=quux
        )

    [Folded] => works
too
)

[#3] Anonymous [2013-08-06 15:09:34]

if (!function_exists('http_parse_headers')) {
    function http_parse_headers ($raw_headers) {
        $headers = array(); // $headers = [];

        foreach (explode("\n", $raw_headers) as $i => $h) {
            $h = explode(':', $h, 2);

            if (isset($h[1])) {
                if(!isset($headers[$h[0]])) {
                    $headers[$h[0]] = trim($h[1]);
                } else if(is_array($headers[$h[0]])) {
                    $tmp = array_merge($headers[$h[0]],array(trim($h[1])));
                    $headers[$h[0]] = $tmp;
                } else {
                    $tmp = array_merge(array($headers[$h[0]]),array(trim($h[1])));
                    $headers[$h[0]] = $tmp;
                }
            }
        }

        return $headers;
    }
}

[#4] g dot kuizinas at anuary dot com [2013-04-27 08:20:47]

<?php $headers = "HTTP/1.1 302 Found Server: nginx Date: Sat, 27 Apr 2013 08:07:57 GMT Content-Type: text/html; charset=utf-8 Content-Length: 976 Connection: keep-alive X-Frame-Options: sameorigin X-Runtime: 443 Status: 302 Cache-Control: max-age=86400 Expires: Sun, 28 Apr 2013 08:07:56 GMT Vary: Accept-Encoding,User-Agent Strict-Transport-Security: max-age=3600 ; includeSubDomains"; if (!function_exists('http_parse_headers')) {     function http_parse_headers ($raw_headers) {         $headers = [];              foreach (explode("\n", $raw_headers) as $i => $h) {             $h = explode(':', $h, 2);                          if (isset($h[1])) {                 $headers[$h[0]] = trim($h[1]);             }         }                  return $headers;     } } var_dump(http_parse_headers($headers)); ?>

array(12) {
  ["Server"]=>
  string(5) "nginx"
  ["Date"]=>
  string(29) "Sat, 27 Apr 2013 08:07:57 GMT"
  ["Content-Type"]=>
  string(24) "text/html; charset=utf-8"
  ["Content-Length"]=>
  string(3) "976"
  ["Connection"]=>
  string(10) "keep-alive"
  ["X-Frame-Options"]=>
  string(10) "sameorigin"
  ["X-Runtime"]=>
  string(3) "443"
  ["Status"]=>
  string(3) "302"
  ["Cache-Control"]=>
  string(13) "max-age=86400"
  ["Expires"]=>
  string(29) "Sun, 28 Apr 2013 08:07:56 GMT"
  ["Vary"]=>
  string(26) "Accept-Encoding,User-Agent"
  ["Strict-Transport-Security"]=>
  string(32) "max-age=3600 ; includeSubDomains"
}

[#5] Anonymous [2013-01-28 22:23:10]

This one works even better:

<?php function http_parse_headers( $header ) { $retVal = array(); $fields = explode("\r\n", preg_replace('/\x0D\x0A[\x09\x20]+/', ' ', $header)); foreach( $fields as $field ) { if( preg_match('/([^:]+): (.+)/m', $field, $match) ) { $match[1] = preg_replace('/(?<=^|[\x09\x20\x2D])./e', 'strtoupper("\0")', strtolower(trim($match[1]))); if( isset($retVal[$match[1]]) ) { if (!is_array($retVal[$match[1]])) { $retVal[$match[1]] = array($retVal[$match[1]]); } $retVal[$match[1]][] = $match[2]; } else { $retVal[$match[1]] = trim($match[2]); } } } return $retVal; } ?>

[#6] luigi dot sexpistols at gmail dot com [2006-08-07 22:49:47]

If you don't have access to the PECL library, you can use this code to parse headers contained in strings.

Note that it's probably not as robust as the PECL version, as it only parses if the headers are separated by newlines (\n). This isn't a problem in most cases, though, as the standard suggests to use \r\n as the delimiter for headers.

HTTP response code is put into 'status'.

Any suggestions welcome!

<?php function http_parse_headers($headers=false){ if($headers === false){ return false; } $headers = str_replace("\r","",$headers); $headers = explode("\n",$headers); foreach($headers as $value){ $header = explode(": ",$value); if($header[0] && !$header[1]){ $headerdata['status'] = $header[0]; } elseif($header[0] && $header[1]){ $headerdata[$header[0]] = $header[1]; } } return $headerdata; } $headers = "HTTP/1.1 200 OK\r\n Date: Tue, 08 Aug 2006 05:32:01 GMT\r\n X-Powered-By: PHP/4.4.3-dev\r\n Data 1: Value for Data 1\r\n Data 2: Value for Data 2\r\n Connection: close\r\n Content-Type: text/html\r\n"; http_parse_headers($headers); // OUTPUT: array(7) { ["status"]=> string(15) "HTTP/1.1 200 OK" ["Date"]=> string(29) "Tue, 08 Aug 2006 05:32:01 GMT" ["X-Powered-By"]=> string(13) "PHP/4.4.3-dev" ["Data 1"]=> string(16) "Value for Data 1" ["Data 2"]=> string(16) "Value for Data 2" ["Connection"]=> string(5) "close" ["Content-Type"]=> string(9) "text/html" } ?>