symfony
diff --git a/‎UPGRADE-4.3.md
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diff --git a/‎UPGRADE-5.0.md
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diff --git a/‎src/Symfony/Component/BrowserKit/CHANGELOG.md
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diff --git a/‎src/Symfony/Component/BrowserKit/Response.php
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+6-2Lines changed: 6 additions & 2 deletions b/‎src/Symfony/Component/BrowserKit/Response.php
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+6-2Lines changed: 6 additions & 2 deletions
@@ -4,6 +4,7 @@ UPGRADE FROM 4.2 to 4.3
 BrowserKit
 ----------
 
+ * Deprecated `Response::buildHeader()`
  * Deprecated `Response::getStatus()`, use `Response::getStatusCode()` instead
 
 Config
 
@@ -4,6 +4,7 @@ UPGRADE FROM 4.x to 5.0
 BrowserKit
 ----------
 
+ * Removed `Response::buildHeader()`
  * Removed `Response::getStatus()`, use `Response::getStatusCode()` instead
  * The `Client::submit()` method has a new `$serverParameters` argument.
 
 
@@ -4,6 +4,7 @@ CHANGELOG
 4.3.0
 -----
 
+ * Deprecated `Response::buildHeader()`
  * Deprecated `Response::getStatus()`, use `Response::getStatusCode()` instead
 
 4.2.0
 
@@ -45,10 +45,10 @@ public function __toString()
         $headers = '';
         foreach ($this->headers as $name => $value) {
             if (\is_string($value)) {
-                $headers .= $this->buildHeader($name, $value);
+                $headers .= sprintf("%s: %s\n", $name, $value);
             } else {
                 foreach ($value as $headerValue) {
-                    $headers .= $this->buildHeader($name, $headerValue);
+                    $headers .= sprintf("%s: %s\n", $name, $headerValue);
                 }
             }
         }
@@ -63,9 +63,13 @@ public function __toString()
      * @param string $value The header value
      *
      * @return string The built header line
+     *
+     * @deprecated since Symfony 4.3
      */
     protected function buildHeader($name, $value)
     {
+        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.3.', __METHOD__), E_USER_DEPRECATED);
+
         return sprintf("%s: %s\n", $name, $value);
     }
Original file line number	Diff line number	Diff line change
`@@ -45,10 +45,10 @@ public function __toString()`
`45`	`45`	`$headers = '';`
`46`	`46`	`foreach ($this->headers as $name => $value) {`
`47`	`47`	`if (\is_string($value)) {`
`48`		`- $headers .= $this->buildHeader($name, $value);`
	`48`	`+ $headers .= sprintf("%s: %s\n", $name, $value);`
`49`	`49`	`} else {`
`50`	`50`	`foreach ($value as $headerValue) {`
`51`		`- $headers .= $this->buildHeader($name, $headerValue);`
	`51`	`+ $headers .= sprintf("%s: %s\n", $name, $headerValue);`
`52`	`52`	`}`
`53`	`53`	`}`
`54`	`54`	`}`
`@@ -63,9 +63,13 @@ public function __toString()`
`63`	`63`	`* @param string $value The header value`
`64`	`64`	`*`
`65`	`65`	`* @return string The built header line`
	`66`	`+ *`
	`67`	`+ * @deprecated since Symfony 4.3`
`66`	`68`	`*/`
`67`	`69`	`protected function buildHeader($name, $value)`
`68`	`70`	`{`
	`71`	`+ @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.3.', __METHOD__), E_USER_DEPRECATED);`
	`72`	`+`
`69`	`73`	`return sprintf("%s: %s\n", $name, $value);`
`70`	`74`	`}`
`71`	`75`