Applies order operations to a hook implementation list.

Parameters

array<string, string> $implementation_list: Implementation list for one hook, as module names keyed by "$class::$method" identifiers.

list<\Drupal\Core\Hook\OrderOperation\OrderOperation> $order_operations: A list of order operations for one hook.

1 call to HookCollectorPass::applyOrderOperations()

HookCollectorPass::calculateImplementations in core/lib/Drupal/Core/Hook/HookCollectorPass.php

Calculates the ordered implementations.

File

core/lib/Drupal/Core/Hook/HookCollectorPass.php, line 282

Class

HookCollectorPass

Collects and registers hook implementations.

Namespace

Drupal\Core\Hook

Code

protected static function applyOrderOperations(array &$implementation_list, array $order_operations) : void {
  $module_finder = $implementation_list;
  $identifiers = array_keys($module_finder);
  foreach ($order_operations as $order_operation) {
    $order_operation->apply($identifiers, $module_finder);
    assert($identifiers === array_unique($identifiers));
    assert(array_is_list($identifiers));
    assert(!array_diff($identifiers, array_keys($module_finder)));
    assert(!array_diff(array_keys($module_finder), $identifiers));
  }
  // Rebuild the identifier -> module array with the new order.
  $identifiers = array_combine($identifiers, $identifiers);
  $identifiers = array_intersect_key($identifiers, $module_finder);
  $implementation_list = array_replace($identifiers, $module_finder);
}

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