Response: added toString()

Author: dg

src/Http/Response.php

@@ -271,4 +271,33 @@ public function getBody()
 	{
 		return $this->body;
 	}
+
+
+	public function toString(): string
+	{
+		$reason = $this->reasonPhrase ?: 'Unknown status';
+		$res = "HTTP/$this->version $this->code $reason\r\n";
+		foreach ($this->headers as $name => $info) {
+			foreach ($info[1] as $value) {
+				$res .= $info[0] . ': ' . $value . "\r\n";
+			}
+		}
+
+		$res .= "\r\n";
+		if (is_string($this->body)) {
+			$res .= $this->body;
+		} else {
+			ob_start(function () {});
+			try {
+				($this->body)();
+				$res .= ob_get_clean();
+
+			} catch (\Throwable $e) {
+				ob_end_clean();
+				throw $e;
+			}
+		}
+
+		return $res;
+	}
 }

tests/Http/Response.toString.phpt

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+use Nette\Http;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+$response = new Http\Response;
+$response->setProtocolVersion('3.0');
+$response->setCode(123, 'My Reason');
+$response->setHeader('X-A', 'a');
+$response->addHeader('X-A', 'b');
+$response->setBody('Hello');
+
+Assert::same(
+	"HTTP/3.0 123 My Reason\r\nX-A: a\r\nX-A: b\r\n\r\nHello",
+	$response->toString()
+);