Same name and namespace in other branches

1. 9 core/lib/Drupal/Component/Utility/UrlHelper.php \Drupal\Component\Utility\UrlHelper::isExternal()
2. 8.9.x core/lib/Drupal/Component/Utility/UrlHelper.php \Drupal\Component\Utility\UrlHelper::isExternal()
3. 11.x core/lib/Drupal/Component/Utility/UrlHelper.php \Drupal\Component\Utility\UrlHelper::isExternal()

Determines whether a path is external to Drupal.

An example of an external path is http://example.com. If a path cannot be assessed by Drupal's menu handler, then we must treat it as potentially insecure.

Parameters

string $path: The internal path or external URL being linked to, such as "node/34" or "http://example.com/foo".

Return value

bool TRUE or FALSE, where TRUE indicates an external path.

12 calls to UrlHelper::isExternal()

ComponentPluginManager::translateLibraryPaths in core/lib/Drupal/Core/Theme/ComponentPluginManager.php

Changes the library paths, so they can be used by the library system.

FormBuilder::doBuildForm in core/lib/Drupal/Core/Form/FormBuilder.php

Builds and processes all elements in the structured form array.

GotoAction::execute in core/lib/Drupal/Core/Action/Plugin/Action/GotoAction.php

Executes the plugin.

LocalAwareRedirectResponseTrait::isLocal in core/lib/Drupal/Core/Routing/LocalAwareRedirectResponseTrait.php

Determines whether a path is local.

OpenModalDialogWithUrl::render in core/lib/Drupal/Core/Ajax/OpenModalDialogWithUrl.php

Return an array to be run through json_encode and sent to the client.

... See full list

File

core/lib/Drupal/Component/Utility/UrlHelper.php, line 269

Class

UrlHelper

Helper class URL based methods.

Namespace

Drupal\Component\Utility

Code

public static function isExternal($path) {
  $colon_position = strpos($path, ':');
  // Some browsers treat \ as / so normalize to forward slashes.
  $path = str_replace('\\', '/', $path);
  // If the path starts with 2 slashes then it is always considered an
  // external URL without an explicit protocol part.
  return str_starts_with($path, '//') || preg_match('/^\\p{C}/u', $path) !== 0 || $colon_position !== FALSE && !preg_match('![/?#]!', substr($path, 0, $colon_position)) && static::stripDangerousProtocols($path) == $path;
}

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