Merge branch '2.7' into 2.8

* 2.7:
  fixed @return when returning this or static
  override property constraints in child class
  [Console] improved code coverage of Command class
  Only count on arrays or countables to avoid warnings in PHP 7.2

Author: fabpot

Crawler.php

@@ -320,7 +320,7 @@ public function serialize()
      *
      * @param int $position The position
      *
-     * @return Crawler A new instance of the Crawler with the selected node, or an empty Crawler if it does not exist
+     * @return self
      */
     public function eq($position)
     {
@@ -365,7 +365,7 @@ public function each(\Closure $closure)
      * @param int $offset
      * @param int $length
      *
-     * @return Crawler A Crawler instance with the sliced nodes
+     * @return self
      */
     public function slice($offset = 0, $length = -1)
     {
@@ -379,7 +379,7 @@ public function slice($offset = 0, $length = -1)
      *
      * @param \Closure $closure An anonymous function
      *
-     * @return Crawler A Crawler instance with the selected nodes
+     * @return self
      */
     public function reduce(\Closure $closure)
     {
@@ -396,7 +396,7 @@ public function reduce(\Closure $closure)
     /**
      * Returns the first node of the current selection.
      *
-     * @return Crawler A Crawler instance with the first selected node
+     * @return self
      */
     public function first()
     {
@@ -406,7 +406,7 @@ public function first()
     /**
      * Returns the last node of the current selection.
      *
-     * @return Crawler A Crawler instance with the last selected node
+     * @return self
      */
     public function last()
     {
@@ -416,7 +416,7 @@ public function last()
     /**
      * Returns the siblings nodes of the current selection.
      *
-     * @return Crawler A Crawler instance with the sibling nodes
+     * @return self
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -432,7 +432,7 @@ public function siblings()
     /**
      * Returns the next siblings nodes of the current selection.
      *
-     * @return Crawler A Crawler instance with the next sibling nodes
+     * @return self
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -448,7 +448,7 @@ public function nextAll()
     /**
      * Returns the previous sibling nodes of the current selection.
      *
-     * @return Crawler A Crawler instance with the previous sibling nodes
+     * @return self
      *
      * @throws \InvalidArgumentException
      */
@@ -464,7 +464,7 @@ public function previousAll()
     /**
      * Returns the parents nodes of the current selection.
      *
-     * @return Crawler A Crawler instance with the parents nodes of the current selection
+     * @return self
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -489,7 +489,7 @@ public function parents()
     /**
      * Returns the children nodes of the current selection.
      *
-     * @return Crawler A Crawler instance with the children nodes
+     * @return self
      *
      * @throws \InvalidArgumentException When current node is empty
      */
@@ -622,7 +622,7 @@ public function extract($attributes)
      *
      * @param string $xpath An XPath expression
      *
-     * @return Crawler A new instance of Crawler with the filtered list of nodes
+     * @return self
      */
     public function filterXPath($xpath)
     {
@@ -643,7 +643,7 @@ public function filterXPath($xpath)
      *
      * @param string $selector A CSS selector
      *
-     * @return Crawler A new instance of Crawler with the filtered list of nodes
+     * @return self
      *
      * @throws \RuntimeException if the CssSelector Component is not available
      */
@@ -664,7 +664,7 @@ public function filter($selector)
      *
      * @param string $value The link text
      *
-     * @return Crawler A new instance of Crawler with the filtered list of nodes
+     * @return self
      */
     public function selectLink($value)
     {
@@ -679,7 +679,7 @@ public function selectLink($value)
      *
      * @param string $value The button text
      *
-     * @return Crawler A new instance of Crawler with the filtered list of nodes
+     * @return self
      */
     public function selectButton($value)
     {
@@ -960,7 +960,7 @@ public function offsetGet($object)
      *
      * @param string $xpath
      *
-     * @return Crawler
+     * @return self
      */
     private function filterRelativeXPath($xpath)
     {

Form.php

@@ -69,7 +69,7 @@ public function getFormNode()
      *
      * @param array $values An array of field values
      *
-     * @return Form
+     * @return $this
      */
     public function setValues(array $values)
     {
@@ -279,7 +279,7 @@ public function set(FormField $field)
     /**
      * Gets all fields.
      *
-     * @return FormField[] An array of fields
+     * @return FormField[]
      */
     public function all()
     {

FormFieldRegistry.php

@@ -151,7 +151,7 @@ public function all()
      * @param string $base   The fully qualified name of the base field
      * @param array  $values The values of the fields
      *
-     * @return FormFieldRegistry
+     * @return static
      */
     private static function create($base, array $values)
     {