Merge branch '4.4'

* 4.4: (26 commits)
  cs fix
  [Validator] sync NO and NB translations
  [Cache] improve perf of pruning for fs-based adapters
  [Cache] cs fix
  [Cache] clean tags folder on invalidation
  [Cache] remove implicit dependency on symfony/filesystem
  Allow to set cookie_samesite to 'none'
  [Dotenv] support setting default env var values
  [VarDumper] fix array key error for class SymfonyCaster
  [Cache] Improve RedisTagAwareAdapter invalidation logic & requirements
  Adds missing translations for no nb
  [HttpKernel] fix $dotenvVars in data collector
  Add the missing translations for the Swedish ("sv") locale
  Prevent ProgressBar redraw when message is same
  [DI] enable improved syntax for defining method calls in Yaml
  bumped Symfony version to 4.3.6
  updated VERSION for 4.3.5
  updated CHANGELOG for 4.3.5
  bumped Symfony version to 3.4.33
  updated VERSION for 3.4.32
  ...

Author: nicolas-grekas

Crawler.php

@@ -571,17 +571,19 @@ public function nodeName()
     /**
      * Returns the text of the first node of the list.
      *
-     * @param mixed $default             When provided and the current node is empty, this value is returned and no exception is thrown
-     * @param bool  $normalizeWhitespace Whether whitespaces should be trimmed and normalized to single spaces
+     * Pass true as the 2nd argument to normalize whitespaces.
+     *
+     * @param string|null $default             When not null: the value to return when the current node is empty
+     * @param bool        $normalizeWhitespace Whether whitespaces should be trimmed and normalized to single spaces
      *
      * @return string The node value
      *
      * @throws \InvalidArgumentException When current node is empty
      */
-    public function text($default = null, bool $normalizeWhitespace = false)
+    public function text(string $default = null, bool $normalizeWhitespace = false)
     {
         if (!$this->nodes) {
-            if (0 < \func_num_args()) {
+            if (null !== $default) {
                 return $default;
             }
 
@@ -600,16 +602,16 @@ public function text($default = null, bool $normalizeWhitespace = false)
     /**
      * Returns the first node of the list as HTML.
      *
-     * @param mixed $default When provided and the current node is empty, this value is returned and no exception is thrown
+     * @param string|null $default When not null: the value to return when the current node is empty
      *
      * @return string The node html
      *
      * @throws \InvalidArgumentException When current node is empty
      */
-    public function html($default = null)
+    public function html(string $default = null)
     {
         if (!$this->nodes) {
-            if (0 < \func_num_args()) {
+            if (null !== $default) {
                 return $default;
             }