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Name Type Location Description
NestedArray::keyExists function drupal/core/lib/Drupal/Component/Utility/NestedArray.php Determines whether a nested array contains the requested keys.
DocParser::classExists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Annotations/DocParser.php Attempt to check if a class exists or not. This never goes through the PHP autoloading mechanism but uses the {@link AnnotationRegistry} to load classes.
QueryInterface::exists function drupal/core/lib/Drupal/Core/Entity/Query/QueryInterface.php Queries for the existence of a field.
ItemList::offsetExists function drupal/core/lib/Drupal/Core/TypedData/ItemList.php Implements \ArrayAccess::offsetExists().
FileLocator::fileExists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/FileLocator.php Check if a file can be found for this class name.
DocParser::$classExists property drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Annotations/DocParser.php This hashmap is used internally to cache results of class_exists() look-ups.
ArrayCollection::exists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Collections/ArrayCollection.php Tests for the existence of an element that satisfies the given predicate.
Select::havingNotExists function drupal/core/lib/Drupal/Core/Database/Query/Select.php
Attribute::offsetExists function drupal/core/lib/Drupal/Core/Template/Attribute.php Implements ArrayAccess::offsetExists().
DatabaseStorage::exists function drupal/core/lib/Drupal/Core/Config/DatabaseStorage.php Implements Drupal\Core\Config\StorageInterface::exists().
StorageInterface::exists function drupal/core/lib/Drupal/Core/Config/StorageInterface.php Returns whether a configuration object exists.
CacheArray::offsetExists function drupal/core/lib/Drupal/Core/Utility/CacheArray.php Implements ArrayAccess::offsetExists().
Schema::constraintExists function drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php Helper function: check if a constraint (PK, FK, UK) exists.
Collection::offsetExists function drupal/core/vendor/guzzle/common/Guzzle/Common/Collection.php ArrayAccess implementation of offsetExists()
ClassLoader::classExists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/ClassLoader.php Checks whether a class with a given name exists. A class "exists" if it is either already defined in the current request or if there is an autoloader on the SPL autoload stack that is a) responsible for the class in question and b) is able…
TempStore::setIfNotExists function drupal/core/modules/user/lib/Drupal/user/TempStore.php Stores a particular key/value pair only if the key doesn't already exist.
SelectExtender::notExists function drupal/core/lib/Drupal/Core/Database/Query/SelectExtender.php Sets a condition that the specified subquery returns no values.
system_date_format_exists function drupal/core/modules/system/system.admin.inc Checks if the chosen machine_name exists or not.
Twig_Loader_Array::exists function drupal/core/vendor/twig/twig/lib/Twig/Loader/Array.php Check if we have the source code of a template, given its name.
Twig_Loader_Chain::exists function drupal/core/vendor/twig/twig/lib/Twig/Loader/Chain.php Check if we have the source code of a template, given its name.
ExistsLoaderInterface.php file drupal/core/vendor/twig/twig/lib/Twig/ExistsLoaderInterface.php
QueryInterface::notExists function drupal/core/lib/Drupal/Core/Entity/Query/QueryInterface.php Queries for the nonexistence of a field.
shortcut_set_title_exists function drupal/core/modules/shortcut/shortcut.module Check to see if a shortcut set with the given title already exists.
ArrayElement::offsetExists function drupal/core/lib/Drupal/Core/Config/Schema/ArrayElement.php Implements ArrayAccess::offsetExists().
Twig_Loader_String::exists function drupal/core/vendor/twig/twig/lib/Twig/Loader/String.php Check if we have the source code of a template, given its name.
CollectionTest::testExists function drupal/core/vendor/doctrine/common/tests/Doctrine/Tests/Common/Collections/CollectionTest.php
ConditionInterface::exists function drupal/core/lib/Drupal/Core/Entity/Query/ConditionInterface.php Queries for the existence of a field.
ConditionAggregate::exists function drupal/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Entity/ConditionAggregate.php Implements \Drupal\Core\Entity\Query\ConditionInterface::exists().
Twig_ExistsLoaderInterface interface drupal/core/vendor/twig/twig/lib/Twig/ExistsLoaderInterface.php Adds an exists() method for loaders.
menu_edit_menu_name_exists function drupal/core/modules/menu/menu.admin.inc Returns whether a menu name already exists.
ConditionInterface::exists function drupal/core/lib/Drupal/Core/Database/Query/ConditionInterface.php Sets a condition that the specified subquery returns values.
GenericEvent::offsetExists function drupal/core/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/GenericEvent.php ArrayAccess has argument.
FieldInstance::offsetExists function drupal/core/modules/field/lib/Drupal/field/Plugin/Core/Entity/FieldInstance.php
PhpStorageInterface::exists function drupal/core/lib/Drupal/Component/PhpStorage/PhpStorageInterface.php Checks whether the PHP code exists in storage.
ThemeRegistry::offsetExists function drupal/core/lib/Drupal/Core/Utility/ThemeRegistry.php Overrides CacheArray::offsetExists().
FileReadOnlyStorage::exists function drupal/core/lib/Drupal/Component/PhpStorage/FileReadOnlyStorage.php Implements Drupal\Component\PhpStorage\PhpStorageInterface::exists().
ModuleHandler::moduleExists function drupal/core/lib/Drupal/Core/Extension/ModuleHandler.php Implements \Drupal\Core\Extension\ModuleHandlerInterface::moduleExists().
SchemaObjectExistsException class drupal/core/lib/Drupal/Core/Database/SchemaObjectExistsException.php Exception thrown if an object being created already exists.
EasyRdf_Format::formatExists function drupal/core/vendor/easyrdf/easyrdf/lib/EasyRdf/Format.php Check if a named graph exists
ValueContainer::offsetExists function drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Extension/Twig/ValueContainer.php
AttributeArray::offsetExists function drupal/core/lib/Drupal/Core/Template/AttributeArray.php Implements ArrayAccess::offsetExists().
MemoryStorage::setIfNotExists function drupal/core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::setIfNotExists().
ArrayCollection::offsetExists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Collections/ArrayCollection.php ArrayAccess implementation of offsetExists()
ConditionInterface::notExists function drupal/core/lib/Drupal/Core/Entity/Query/ConditionInterface.php Queries for the existence of a field.
ConditionAggregate::notExists function drupal/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Entity/ConditionAggregate.php Implements \Drupal\Core\Entity\Query\ConditionInterface::notExists().
ConditionInterface::notExists function drupal/core/lib/Drupal/Core/Database/Query/ConditionInterface.php Sets a condition that the specified subquery returns no values.
PHP_Token_Stream::offsetExists function drupal/core/vendor/phpunit/php-token-stream/PHP/Token/Stream.php
DefaultFileLocator::fileExists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/DefaultFileLocator.php Check if a file can be found for this class name.
SymfonyFileLocator::fileExists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/SymfonyFileLocator.php Check if a file can be found for this class name.
CommentTestBase::commentExists function drupal/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php Checks current page for specified comment.

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