symfony
diff --git a/‎src/Symfony/Component/HttpFoundation/ServerBag.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/ServerBag.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/HttpFoundation/ServerBag.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/ServerBag.php
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎src/Symfony/Component/HttpFoundation/Tests/ServerBagTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/ServerBagTest.php
+16Lines changed: 16 additions & 0 deletions b/‎src/Symfony/Component/HttpFoundation/Tests/ServerBagTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/ServerBagTest.php
+16Lines changed: 16 additions & 0 deletions
@@ -31,7 +31,7 @@ public function getHeaders()
         foreach ($this->parameters as $key => $value) {
             if (str_starts_with($key, 'HTTP_')) {
                 $headers[substr($key, 5)] = $value;
-            } elseif (\in_array($key, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true)) {
+            } elseif (\in_array($key, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true) && '' !== $value) {
                 $headers[$key] = $value;
             }
         }
 
@@ -177,4 +177,20 @@ public function testItDoesNotOverwriteTheAuthorizationHeaderIfItIsAlreadySet()
             'PHP_AUTH_PW' => '',
         ], $bag->getHeaders());
     }
+
+    /**
+     * An HTTP request without content-type and content-length will result in
+     * the variables $_SERVER['CONTENT_TYPE'] and $_SERVER['CONTENT_LENGTH']
+     * containing an empty string in PHP.
+     */
+    public function testRequestWithoutContentTypeAndContentLength()
+    {
+        $bag = new ServerBag([
+            'CONTENT_TYPE' => '',
+            'CONTENT_LENGTH' => '',
+            'HTTP_USER_AGENT' => 'foo',
+        ]);
+
+        $this->assertSame(['USER_AGENT' => 'foo'], $bag->getHeaders());
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -31,7 +31,7 @@ public function getHeaders()`
`31`	`31`	`foreach ($this->parameters as $key => $value) {`
`32`	`32`	`if (str_starts_with($key, 'HTTP_')) {`
`33`	`33`	`$headers[substr($key, 5)] = $value;`
`34`		`- } elseif (\in_array($key, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true)) {`
	`34`	`+ } elseif (\in_array($key, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true) && '' !== $value) {`
`35`	`35`	`$headers[$key] = $value;`
`36`	`36`	`}`
`37`	`37`	`}`