diff --git a/phpstan.neon b/phpstan.neon
index 220fd4c74e9..ed288813e84 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -4,7 +4,6 @@ parameters:
     ignoreErrors:
         - '#Function wincache_ucache_[a-zA-Z0-9_]+ not found#'
         - '#Function xcache_[a-zA-Z0-9_]+ not found#'
-        - '#Function fastcgi_[a-zA-Z0-9_]+ not found#'
         - '#Cake\\Database\\Type\\[a-zA-Z0-9_]+Type::__construct\(\) does not call parent constructor from Cake\\Database\\Type#'
         - '#Constructor of class Cake\\[a-zA-Z0-9_\\]+ has an unused parameter#'
         - '#Call to an undefined method Cake\\Console\\Shell::main\(\)#'
diff --git a/src/Cache/Engine/ApcEngine.php b/src/Cache/Engine/ApcEngine.php
index fcdcf8c8d0a..5bf72fa2efa 100644
--- a/src/Cache/Engine/ApcEngine.php
+++ b/src/Cache/Engine/ApcEngine.php
@@ -230,6 +230,7 @@ public function groups()
      */
     public function clearGroup($group)
     {
+        $success = false;
         apcu_inc($this->_config['prefix'] . $group, 1, $success);
 
         return $success;
diff --git a/src/Console/CommandCollection.php b/src/Console/CommandCollection.php
index 61d12a58101..4cf3e242422 100644
--- a/src/Console/CommandCollection.php
+++ b/src/Console/CommandCollection.php
@@ -116,7 +116,7 @@ public function has($name)
      * Get the target for a command.
      *
      * @param string $name The named shell.
-     * @return string|Cake\Console\Shell Either the shell class or an instance.
+     * @return string|\Cake\Console\Shell Either the shell class or an instance.
      * @throws \InvalidArgumentException when unknown commands are fetched.
      */
     public function get($name)
diff --git a/src/Http/Client/Request.php b/src/Http/Client/Request.php
index 8da9af12340..72b72b4ceee 100644
--- a/src/Http/Client/Request.php
+++ b/src/Http/Client/Request.php
@@ -186,7 +186,7 @@ protected function addHeaders(array $headers)
      * @param string $name The name of the cookie to get/set
      * @param string|null $value Either the value or null when getting values.
      * @return mixed Either $this or the cookie value.
-     * @deprected 3.5.0 No longer used. CookieCollections now add `Cookie` header to the request
+     * @deprecated 3.5.0 No longer used. CookieCollections now add `Cookie` header to the request
      *   before sending. Use Cake\Http\Cookie\CookieCollection::addToRequest() to make adding cookies
      *   to a request easier.
      */
diff --git a/src/Http/Response.php b/src/Http/Response.php
index a5f07758666..49897e3983b 100644
--- a/src/Http/Response.php
+++ b/src/Http/Response.php
@@ -1153,7 +1153,7 @@ public function mapType($ctype)
      *
      * @param string|null $charset Character set string.
      * @return string Current charset
-     * @deprecated 3.4.0 Use withCharset() instead.
+     * @deprecated 3.5.0 Use getCharset()/withCharset() instead.
      */
     public function charset($charset = null)
     {
@@ -1166,6 +1166,16 @@ public function charset($charset = null)
         return $this->_charset;
     }
 
+    /**
+     * Retruns the current charset.
+     *
+     * @return string
+     */
+    public function getCharset()
+    {
+        return $this->_charset;
+    }
+
     /**
      * Get a new instance with an updated charset.
      *
@@ -1185,7 +1195,7 @@ public function withCharset($charset)
      * Sets the correct headers to instruct the client to not cache the response
      *
      * @return void
-     * @deprected 3.4.0 Use withDisabledCache() instead.
+     * @deprecated 3.4.0 Use withDisabledCache() instead.
      */
     public function disableCache()
     {
diff --git a/src/ORM/Association/DependentDeleteTrait.php b/src/ORM/Association/DependentDeleteTrait.php
index 30d81ab6be8..f172d4c9a30 100644
--- a/src/ORM/Association/DependentDeleteTrait.php
+++ b/src/ORM/Association/DependentDeleteTrait.php
@@ -22,7 +22,7 @@
  *
  * Included by HasOne and HasMany association classes.
  *
- * @deprected 3.5.0 Unused in CakePHP now. This class will be removed in 4.0.0
+ * @deprecated 3.5.0 Unused in CakePHP now. This class will be removed in 4.0.0
  */
 trait DependentDeleteTrait
 {
diff --git a/tests/TestCase/Http/ResponseTest.php b/tests/TestCase/Http/ResponseTest.php
index e2b8b02962d..2bf85ecd4f1 100644
--- a/tests/TestCase/Http/ResponseTest.php
+++ b/tests/TestCase/Http/ResponseTest.php
@@ -144,7 +144,7 @@ public function testCharset()
     }
 
     /**
-     * Tests withCharset method
+     * Tests the getCharset/withCharset methods
      *
      * @return void
      */
@@ -155,6 +155,7 @@ public function testWithCharset()
 
         $new = $response->withCharset('iso-8859-1');
         $this->assertNotContains('iso', $response->getHeaderLine('Content-Type'), 'Old instance not changed');
+        $this->assertSame('iso-8859-1', $new->getCharset());
 
         $this->assertEquals('text/html; charset=iso-8859-1', $new->getHeaderLine('Content-Type'));
     }