presto-8.x-2.2/src/Mixins/WeightedPluginManagerTrait.php

src/Mixins/WeightedPluginManagerTrait.php
presto
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<?php
 
namespace Drupal\presto\Mixins;
 
/**
 * Adds definition sorting (by weight) to plugin managers.
 *
 * @package Drupal\presto\Mixins
 */
trait WeightedPluginManagerTrait {
 
  /**
   * Sorts plugins by weight.
   *
   * @param array $definitions
   *   List of plugin definitions, each MUST have a 'weight' key.
   *
   * @return array
   *   Sorted definitions.
   */
  protected function sortByWeight(array $definitions) {
    // Sort definitions by weight before returning.
    uasort($definitions, function ($first, $second) {
      if ($first['weight'] === $second['weight']) {
        return 0;
      }
      return ($first['weight'] < $second['weight']) ? -1 : 1;
    });
 
    return $definitions;
  }
 
}

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