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-rw-r--r--vendor/guzzlehttp/psr7/src/Header.php71
1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/psr7/src/Header.php b/vendor/guzzlehttp/psr7/src/Header.php
new file mode 100644
index 0000000..865d742
--- /dev/null
+++ b/vendor/guzzlehttp/psr7/src/Header.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace GuzzleHttp\Psr7;
+
+final class Header
+{
+ /**
+ * Parse an array of header values containing ";" separated data into an
+ * array of associative arrays representing the header key value pair data
+ * of the header. When a parameter does not contain a value, but just
+ * contains a key, this function will inject a key with a '' string value.
+ *
+ * @param string|array $header Header to parse into components.
+ *
+ * @return array Returns the parsed header values.
+ */
+ public static function parse($header)
+ {
+ static $trimmed = "\"' \n\t\r";
+ $params = $matches = [];
+
+ foreach (self::normalize($header) as $val) {
+ $part = [];
+ foreach (preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) {
+ if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) {
+ $m = $matches[0];
+ if (isset($m[1])) {
+ $part[trim($m[0], $trimmed)] = trim($m[1], $trimmed);
+ } else {
+ $part[] = trim($m[0], $trimmed);
+ }
+ }
+ }
+ if ($part) {
+ $params[] = $part;
+ }
+ }
+
+ return $params;
+ }
+
+ /**
+ * Converts an array of header values that may contain comma separated
+ * headers into an array of headers with no comma separated values.
+ *
+ * @param string|array $header Header to normalize.
+ *
+ * @return array Returns the normalized header field values.
+ */
+ public static function normalize($header)
+ {
+ if (!is_array($header)) {
+ return array_map('trim', explode(',', $header));
+ }
+
+ $result = [];
+ foreach ($header as $value) {
+ foreach ((array) $value as $v) {
+ if (strpos($v, ',') === false) {
+ $result[] = $v;
+ continue;
+ }
+ foreach (preg_split('/,(?=([^"]*"[^"]*")*[^"]*$)/', $v) as $vv) {
+ $result[] = trim($vv);
+ }
+ }
+ }
+
+ return $result;
+ }
+}