public static function NestedArray::filter in Blazy 7

Filters a nested array recursively.

Parameters

array $array: The filtered nested array.

callable|null $callable: The callable to apply for filtering.

Return value

array The filtered array.

2 calls to NestedArray::filter()

BlazyBreakpoint::cleanUpBreakpoints in src/BlazyBreakpoint.php

Cleans up empty, or not so empty, breakpoints.

BlazyManagerBase::cleanUpBreakpoints in src/BlazyManagerBase.php

To be deprecated method.

File

src/Utility/NestedArray.php, line 206

Class

NestedArray

Provides helpers to perform operations on nested arrays, kidnapped from D8.

Namespace

Drupal\blazy\Utility

Code

public static function filter(array $array, callable $callable = NULL) {
  $array = is_callable($callable) ? array_filter($array, $callable) : array_filter($array);
  foreach ($array as &$element) {
    if (is_array($element)) {
      $element = static::filter($element, $callable);
    }
  }
  return $array;
}