commitall

vendor/guzzlehttp/guzzle/src/Handler/HeaderProcessor.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace GuzzleHttp\Handler;
+
+use GuzzleHttp\Utils;
+
+/**
+ * @internal
+ */
+final class HeaderProcessor
+{
+    /**
+     * Returns the HTTP version, status code, reason phrase, and headers.
+     *
+     * @param string[] $headers
+     *
+     * @throws \RuntimeException
+     *
+     * @return array{0:string, 1:int, 2:?string, 3:array}
+     */
+    public static function parseHeaders(array $headers): array
+    {
+        if ($headers === []) {
+            throw new \RuntimeException('Expected a non-empty array of header data');
+        }
+
+        $parts = \explode(' ', \array_shift($headers), 3);
+        $version = \explode('/', $parts[0])[1] ?? null;
+
+        if ($version === null) {
+            throw new \RuntimeException('HTTP version missing from header data');
+        }
+
+        $status = $parts[1] ?? null;
+
+        if ($status === null) {
+            throw new \RuntimeException('HTTP status code missing from header data');
+        }
+
+        return [$version, (int) $status, $parts[2] ?? null, Utils::headersFromLines($headers)];
+    }
+}