public static function WebformArrayHelper::shuffle in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Utility/WebformArrayHelper.php \Drupal\webform\Utility\WebformArrayHelper::shuffle()

Shuffle an associative array while maintaining keys.

Parameters

array $array: An associative array.

Return value

array The associative array with it key/value pairs randomized.

See also

http://stackoverflow.com/questions/4102777/php-random-shuffle-array-main...

1 call to WebformArrayHelper::shuffle()

WebformElementHelper::randomize in src/Utility/WebformElementHelper.php

Randomoize an associative array of element values and disable page caching.

File

src/Utility/WebformArrayHelper.php, line 227

Class

WebformArrayHelper

Provides helper to operate on arrays.

Namespace

Drupal\webform\Utility

Code

public static function shuffle(array $array) {
  $keys = array_keys($array);
  shuffle($keys);
  $random = [];
  foreach ($keys as $key) {
    $random[$key] = $array[$key];
  }
  return $random;
}