Merge branch '5.4' into 6.0

* 5.4:
  [Profiler] relax return type for memory data collector
  Fix param annotation in HttpKernelBrowser
  [Cache] fix compat with apcu < 5.1.10
  Expand FormView key to include int
  [PropertyInfo] PhpStan extractor nested object fix
  [Console] Fix autocompletion of argument with default value
  Run `open_basedir` tests in separate processes

Author: derrabus

FormView.php

@@ -16,8 +16,8 @@
 /**
  * @author Bernhard Schussek <[email protected]>
  *
- * @implements \ArrayAccess<string, FormView>
- * @implements \IteratorAggregate<string, FormView>
+ * @implements \ArrayAccess<int|string, FormView>
+ * @implements \IteratorAggregate<int|string, FormView>
  */
 class FormView implements \ArrayAccess, \IteratorAggregate, \Countable
 {
@@ -37,7 +37,7 @@ class FormView implements \ArrayAccess, \IteratorAggregate, \Countable
     /**
      * The child views.
      *
-     * @var array<string, FormView>
+     * @var array<int|string, FormView>
      */
     public $children = [];
 
@@ -100,7 +100,7 @@ public function setMethodRendered()
     /**
      * Returns a child by name (implements \ArrayAccess).
      *
-     * @param string $name The child name
+     * @param int|string $name The child name
      */
     public function offsetGet(mixed $name): self
     {
@@ -110,7 +110,7 @@ public function offsetGet(mixed $name): self
     /**
      * Returns whether the given child exists (implements \ArrayAccess).
      *
-     * @param string $name The child name
+     * @param int|string $name The child name
      */
     public function offsetExists(mixed $name): bool
     {
@@ -130,7 +130,7 @@ public function offsetSet(mixed $name, mixed $value): void
     /**
      * Removes a child (implements \ArrayAccess).
      *
-     * @param string $name The child name
+     * @param int|string $name The child name
      */
     public function offsetUnset(mixed $name): void
     {
@@ -140,7 +140,7 @@ public function offsetUnset(mixed $name): void
     /**
      * Returns an iterator to iterate over children (implements \IteratorAggregate).
      *
-     * @return \ArrayIterator<string, FormView>
+     * @return \ArrayIterator<int|string, FormView>
      */
     public function getIterator(): \ArrayIterator
     {