Add parameter type declarations to magic methods.

Author: derrabus

Constraint.php

@@ -163,12 +163,11 @@ public function __construct($options = null)
      * this method will be called at most once per constraint instance and
      * option name.
      *
-     * @param string $option The option name
-     * @param mixed  $value  The value to set
+     * @param mixed $value The value to set
      *
      * @throws InvalidOptionsException If an invalid option name is given
      */
-    public function __set($option, $value)
+    public function __set(string $option, $value)
     {
         if ('groups' === $option) {
             $this->groups = (array) $value;
@@ -194,7 +193,7 @@ public function __set($option, $value)
      *
      * @internal this method should not be used or overwritten in userland code
      */
-    public function __get($option)
+    public function __get(string $option)
     {
         if ('groups' === $option) {
             $this->groups = [self::DEFAULT_GROUP];
@@ -210,7 +209,7 @@ public function __get($option)
      *
      * @return bool
      */
-    public function __isset($option)
+    public function __isset(string $option)
     {
         return 'groups' === $option;
     }

Constraints/File.php

@@ -71,7 +71,7 @@ public function __construct($options = null)
         }
     }
 
-    public function __set($option, $value)
+    public function __set(string $option, $value)
     {
         if ('maxSize' === $option) {
             $this->normalizeBinaryFormat($value);
@@ -82,7 +82,7 @@ public function __set($option, $value)
         parent::__set($option, $value);
     }
 
-    public function __get($option)
+    public function __get(string $option)
     {
         if ('maxSize' === $option) {
             return $this->maxSize;
@@ -91,7 +91,7 @@ public function __get($option)
         return parent::__get($option);
     }
 
-    public function __isset($option)
+    public function __isset(string $option)
     {
         if ('maxSize' === $option) {
             return true;

Constraints/Valid.php

@@ -23,7 +23,7 @@ class Valid extends Constraint
 {
     public $traverse = true;
 
-    public function __get($option)
+    public function __get(string $option)
     {
         if ('groups' === $option) {
             // when this is reached, no groups have been configured