| 1 |
<?php |
| 2 |
|
| 3 |
namespace Dudlewebs\WPMCS\s3\GuzzleHttp\Psr7; |
| 4 |
|
| 5 |
final class Header |
| 6 |
{ |
| 7 |
/** |
| 8 |
* Parse an array of header values containing ";" separated data into an |
| 9 |
* array of associative arrays representing the header key value pair data |
| 10 |
* of the header. When a parameter does not contain a value, but just |
| 11 |
* contains a key, this function will inject a key with a '' string value. |
| 12 |
* |
| 13 |
* @param string|array $header Header to parse into components. |
| 14 |
* |
| 15 |
* @return array Returns the parsed header values. |
| 16 |
*/ |
| 17 |
public static function parse($header) |
| 18 |
{ |
| 19 |
static $trimmed = "\"' \n\t\r"; |
| 20 |
$params = $matches = []; |
| 21 |
foreach (self::normalize($header) as $val) { |
| 22 |
$part = []; |
| 23 |
foreach (\preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) { |
| 24 |
if (\preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) { |
| 25 |
$m = $matches[0]; |
| 26 |
if (isset($m[1])) { |
| 27 |
$part[\trim($m[0], $trimmed)] = \trim($m[1], $trimmed); |
| 28 |
} else { |
| 29 |
$part[] = \trim($m[0], $trimmed); |
| 30 |
} |
| 31 |
} |
| 32 |
} |
| 33 |
if ($part) { |
| 34 |
$params[] = $part; |
| 35 |
} |
| 36 |
} |
| 37 |
return $params; |
| 38 |
} |
| 39 |
/** |
| 40 |
* Converts an array of header values that may contain comma separated |
| 41 |
* headers into an array of headers with no comma separated values. |
| 42 |
* |
| 43 |
* @param string|array $header Header to normalize. |
| 44 |
* |
| 45 |
* @return array Returns the normalized header field values. |
| 46 |
*/ |
| 47 |
public static function normalize($header) |
| 48 |
{ |
| 49 |
if (!\is_array($header)) { |
| 50 |
return \array_map('trim', \explode(',', $header)); |
| 51 |
} |
| 52 |
$result = []; |
| 53 |
foreach ($header as $value) { |
| 54 |
foreach ((array) $value as $v) { |
| 55 |
if (\strpos($v, ',') === \false) { |
| 56 |
$result[] = $v; |
| 57 |
continue; |
| 58 |
} |
| 59 |
foreach (\preg_split('/,(?=([^"]*"[^"]*")*[^"]*$)/', $v) as $vv) { |
| 60 |
$result[] = \trim($vv); |
| 61 |
} |
| 62 |
} |
| 63 |
} |
| 64 |
return $result; |
| 65 |
} |
| 66 |
} |
| 67 |
|
