includes/common.inc:  if (function_exists('_drupal_maintenance_theme')) {

lib/Drupal/Core/StringTranslation/PluralTranslatableMarkup.php:      static::$localeEnabled = function_exists('locale_get_plural');
lib/Drupal/Core/StringTranslation/PluralTranslatableMarkup.php:    if (function_exists('locale_get_plural')) {

lib/Drupal/Core/Controller/ControllerResolver.php:      if (function_exists($controller)) {

modules/comment/tests/src/Unit/CommentLinkBuilderTest.php:  if (!function_exists('history_read')) {

modules/language/tests/src/Unit/LanguageNegotiationUrlTest.php:  if (!function_exists('base_path')) {

modules/node/src/Plugin/views/row/Rss.php:    elseif (function_exists('rdf_get_namespaces')) {

modules/file/file.module:    if (function_exists($function)) {


modules/views/tests/src/Unit/EntityViewsDataTest.php:  if (!function_exists('t')) {

modules/views/tests/src/Unit/Routing/ViewPageControllerTest.php:  if (!function_exists('views_add_contextual_links')) {
modules/views/tests/src/Unit/Plugin/Block/ViewsBlockTest.php:  if (!function_exists('views_add_contextual_links')) {

modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php:  if (!function_exists('base_path')) {

modules/views/src/Plugin/views/row/RssFields.php:    if (function_exists('rdf_get_namespaces')) {

tests/Drupal/KernelTests/KernelTestBase.php:    if (function_exists('drupal_static_reset')) {

tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php:if (!function_exists('file_create_url')) {
tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php:if (!function_exists('file_uri_scheme')) {
tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php:if
(!function_exists('file_create_url')) {

tests/Drupal/Tests/Core/Session/PermissionsHashGeneratorTest.php:  if (!function_exists('user_role_permissions')) {

tests/Drupal/Tests/Core/Render/Element/MachineNameTest.php:  if (!function_exists('t')) {