add type-hints

src/Symfony/Component/HttpFoundation/AcceptHeader.php

@@ -44,15 +44,13 @@ public function __construct(array $items)
     /**
      * Builds an AcceptHeader instance from a string.
      *
-     * @param string $headerValue
-     *
      * @return self
      */
-    public static function fromString($headerValue)
+    public static function fromString(?string $headerValue)
     {
         $index = 0;
 
-        $parts = HeaderUtils::split((string) $headerValue, ',;=');
+        $parts = HeaderUtils::split($headerValue ?? '', ',;=');
 
         return new self(array_map(function ($subParts) use (&$index) {
             $part = array_shift($subParts);
@@ -78,23 +76,19 @@ public function __toString()
     /**
      * Tests if header has given value.
      *
-     * @param string $value
-     *
      * @return bool
      */
-    public function has($value)
+    public function has(string $value)
     {
         return isset($this->items[$value]);
     }
 
     /**
      * Returns given value's item, if exists.
      *
-     * @param string $value
-     *
      * @return AcceptHeaderItem|null
      */
-    public function get($value)
+    public function get(string $value)
     {
         return $this->items[$value] ?? $this->items[explode('/', $value)[0].'/*'] ?? $this->items['*/*'] ?? $this->items['*'] ?? null;
     }
@@ -127,11 +121,9 @@ public function all()
     /**
      * Filters items on their value using given regex.
      *
-     * @param string $pattern
-     *
      * @return self
      */
-    public function filter($pattern)
+    public function filter(string $pattern)
     {
         return new self(array_filter($this->items, function (AcceptHeaderItem $item) use ($pattern) {
             return preg_match($pattern, $item->getValue());

src/Symfony/Component/HttpFoundation/AcceptHeaderItem.php

@@ -34,13 +34,11 @@ public function __construct(string $value, array $attributes = [])
     /**
      * Builds an AcceptHeaderInstance instance from a string.
      *
-     * @param string $itemValue
-     *
      * @return self
      */
-    public static function fromString($itemValue)
+    public static function fromString(?string $itemValue)
     {
-        $parts = HeaderUtils::split($itemValue, ';=');
+        $parts = HeaderUtils::split($itemValue ?? '', ';=');
 
         $part = array_shift($parts);
         $attributes = HeaderUtils::combine($parts);
@@ -66,11 +64,9 @@ public function __toString()
     /**
      * Set the item value.
      *
-     * @param string $value
-     *
      * @return $this
      */
-    public function setValue($value)
+    public function setValue(string $value)
     {
         $this->value = $value;
 
@@ -90,11 +86,9 @@ public function getValue()
     /**
      * Set the item quality.
      *
-     * @param float $quality
-     *
      * @return $this
      */
-    public function setQuality($quality)
+    public function setQuality(float $quality)
     {
         $this->quality = $quality;
 
@@ -114,11 +108,9 @@ public function getQuality()
     /**
      * Set the item index.
      *
-     * @param int $index
-     *
      * @return $this
      */
-    public function setIndex($index)
+    public function setIndex(int $index)
     {
         $this->index = $index;
 
@@ -138,24 +130,21 @@ public function getIndex()
     /**
      * Tests if an attribute exists.
      *
-     * @param string $name
-     *
      * @return bool
      */
-    public function hasAttribute($name)
+    public function hasAttribute(string $name)
     {
         return isset($this->attributes[$name]);
     }
 
     /**
      * Returns an attribute by its name.
      *
-     * @param string $name
-     * @param mixed  $default
+     * @param mixed $default
      *
      * @return mixed
      */
-    public function getAttribute($name, $default = null)
+    public function getAttribute(string $name, $default = null)
     {
         return isset($this->attributes[$name]) ? $this->attributes[$name] : $default;
     }
@@ -173,17 +162,14 @@ public function getAttributes()
     /**
      * Set an attribute.
      *
-     * @param string $name
-     * @param string $value
-     *
      * @return $this
      */
-    public function setAttribute($name, $value)
+    public function setAttribute(string $name, string $value)
     {
         if ('q' === $name) {
             $this->quality = (float) $value;
         } else {
-            $this->attributes[$name] = (string) $value;
+            $this->attributes[$name] = $value;
         }
 
         return $this;

src/Symfony/Component/HttpFoundation/BinaryFileResponse.php

@@ -66,24 +66,21 @@ public function __construct($file, int $status = 200, array $headers = [], bool
      *
      * @return static
      */
-    public static function create($file = null, $status = 200, $headers = [], $public = true, $contentDisposition = null, $autoEtag = false, $autoLastModified = true)
+    public static function create($file = null, int $status = 200, array $headers = [], bool $public = true, string $contentDisposition = null, bool $autoEtag = false, bool $autoLastModified = true)
     {
         return new static($file, $status, $headers, $public, $contentDisposition, $autoEtag, $autoLastModified);
     }
 
     /**
      * Sets the file to stream.
      *
-     * @param \SplFileInfo|string $file               The file to stream
-     * @param string              $contentDisposition
-     * @param bool                $autoEtag
-     * @param bool                $autoLastModified
+     * @param \SplFileInfo|string $file The file to stream
      *
      * @return $this
      *
      * @throws FileException
      */
-    public function setFile($file, $contentDisposition = null, $autoEtag = false, $autoLastModified = true)
+    public function setFile($file, string $contentDisposition = null, bool $autoEtag = false, bool $autoLastModified = true)
     {
         if (!$file instanceof File) {
             if ($file instanceof \SplFileInfo) {
@@ -153,7 +150,7 @@ public function setAutoEtag()
      *
      * @return $this
      */
-    public function setContentDisposition($disposition, $filename = '', $filenameFallback = '')
+    public function setContentDisposition(string $disposition, string $filename = '', string $filenameFallback = '')
     {
         if ('' === $filename) {
             $filename = $this->file->getFilename();
@@ -317,7 +314,7 @@ public function sendContent()
      *
      * @throws \LogicException when the content is not null
      */
-    public function setContent($content)
+    public function setContent(?string $content)
     {
         if (null !== $content) {
             throw new \LogicException('The content cannot be set on a BinaryFileResponse instance.');
@@ -346,11 +343,9 @@ public static function trustXSendfileTypeHeader()
      * If this is set to true, the file will be unlinked after the request is send
      * Note: If the X-Sendfile header is used, the deleteFileAfterSend setting will not be used.
      *
-     * @param bool $shouldDelete
-     *
      * @return $this
      */
-    public function deleteFileAfterSend($shouldDelete = true)
+    public function deleteFileAfterSend(bool $shouldDelete = true)
     {
         $this->deleteFileAfterSend = $shouldDelete;
 

src/Symfony/Component/HttpFoundation/Cookie.php

@@ -36,12 +36,9 @@ class Cookie
     /**
      * Creates cookie from raw header string.
      *
-     * @param string $cookie
-     * @param bool   $decode
-     *
      * @return static
      */
-    public static function fromString($cookie, $decode = false)
+    public static function fromString(string $cookie, bool $decode = false)
     {
         $data = [
             'expires' => 0,

src/Symfony/Component/HttpFoundation/File/File.php

@@ -76,14 +76,11 @@ public function getMimeType()
     /**
      * Moves the file to a new location.
      *
-     * @param string $directory The destination folder
-     * @param string $name      The new file name
-     *
      * @return self A File object representing the new file
      *
      * @throws FileException if the target file could not be created
      */
-    public function move($directory, $name = null)
+    public function move(string $directory, string $name = null)
     {
         $target = $this->getTargetFile($directory, $name);
 
@@ -102,7 +99,7 @@ public function move($directory, $name = null)
     /**
      * @return self
      */
-    protected function getTargetFile($directory, $name = null)
+    protected function getTargetFile(string $directory, string $name = null)
     {
         if (!is_dir($directory)) {
             if (false === @mkdir($directory, 0777, true) && !is_dir($directory)) {
@@ -120,11 +117,9 @@ protected function getTargetFile($directory, $name = null)
     /**
      * Returns locale independent base name of the given path.
      *
-     * @param string $name The new file name
-     *
      * @return string
      */
-    protected function getName($name)
+    protected function getName(string $name)
     {
         $originalName = str_replace('\\', '/', $name);
         $pos = strrpos($originalName, '/');

src/Symfony/Component/HttpFoundation/File/UploadedFile.php

@@ -164,14 +164,11 @@ public function isValid()
     /**
      * Moves the file to a new location.
      *
-     * @param string $directory The destination folder
-     * @param string $name      The new file name
-     *
      * @return File A File object representing the new file
      *
      * @throws FileException if, for any reason, the file could not have been moved
      */
-    public function move($directory, $name = null)
+    public function move(string $directory, string $name = null)
     {
         if ($this->isValid()) {
             if ($this->test) {

src/Symfony/Component/HttpFoundation/FileBag.php

@@ -43,7 +43,7 @@ public function replace(array $files = [])
     /**
      * {@inheritdoc}
      */
-    public function set($key, $value)
+    public function set(string $key, $value)
     {
         if (!\is_array($value) && !$value instanceof UploadedFile) {
             throw new \InvalidArgumentException('An uploaded file must be an array or an instance of UploadedFile.');