public static function NestedArray::mergeDeepArray in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Component/Utility/NestedArray.php \Drupal\Component\Utility\NestedArray::mergeDeepArray()

Merges multiple arrays, recursively, and returns the merged array.

This function is equivalent to NestedArray::mergeDeep(), except the input arrays are passed as a single array parameter rather than a variable parameter list.

The following are equivalent:

• NestedArray::mergeDeep($a, $b);
• NestedArray::mergeDeepArray(array($a, $b));

The following are also equivalent:

• call_user_func_array('NestedArray::mergeDeep', $arrays_to_merge);
• NestedArray::mergeDeepArray($arrays_to_merge);

Parameters

array $arrays: An arrays of arrays to merge.

bool $preserve_integer_keys: (optional) If given, integer keys will be preserved and merged instead of appended. Defaults to FALSE.

Return value

array The merged array.

See also

NestedArray::mergeDeep()

25 calls to NestedArray::mergeDeepArray()

AssetResolver::getJsAssets in core/lib/Drupal/Core/Asset/AssetResolver.php

Returns the JavaScript assets for the current response's libraries.

AssetResolver::getJsSettingsAssets in core/lib/Drupal/Core/Asset/AssetResolver.php

Returns the JavaScript settings assets for this response's libraries.

BubbleableMetadata::mergeAttachments in core/lib/Drupal/Core/Render/BubbleableMetadata.php

Merges two attachments arrays (which live under the '#attached' key).

CKEditorPluginManager::getEnabledButtons in core/modules/ckeditor/src/CKEditorPluginManager.php

Gets the enabled toolbar buttons in the given text editor instance.

Config::getOriginal in core/lib/Drupal/Core/Config/Config.php

Gets original data from this configuration object.

... See full list

File

core/lib/Drupal/Component/Utility/NestedArray.php, line 324

Class

NestedArray

Provides helpers to perform operations on nested arrays and array keys of variable depth.

Namespace

Drupal\Component\Utility

Code

public static function mergeDeepArray(array $arrays, $preserve_integer_keys = FALSE) {
  $result = [];
  foreach ($arrays as $array) {
    foreach ($array as $key => $value) {

      // Renumber integer keys as array_merge_recursive() does unless
      // $preserve_integer_keys is set to TRUE. Note that PHP automatically
      // converts array keys that are integer strings (e.g., '1') to integers.
      if (is_int($key) && !$preserve_integer_keys) {
        $result[] = $value;
      }
      elseif (isset($result[$key]) && is_array($result[$key]) && is_array($value)) {
        $result[$key] = self::mergeDeepArray([
          $result[$key],
          $value,
        ], $preserve_integer_keys);
      }
      else {
        $result[$key] = $value;
      }
    }
  }
  return $result;
}