Checks if alias already exists.

The default implementation performs case-insensitive matching on the 'source' and 'alias' strings.

Parameters

string $alias: Alias to check against.

string $langcode: Language of the alias.

string|null $source: (optional) Path that alias is to be assigned to.

Return value

bool TRUE if alias already exists and FALSE otherwise.

1 method overrides AliasStorageInterface::aliasExists()

AliasStorage::aliasExists in core/lib/Drupal/Core/Path/AliasStorage.php

Checks if alias already exists.

File

core/lib/Drupal/Core/Path/AliasStorageInterface.php, line 140

Class

AliasStorageInterface

Provides a class for CRUD operations on path aliases.

Namespace

Drupal\Core\Path

Code

public function aliasExists($alias, $langcode, $source = NULL);

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