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Name Type Location Description
Merge::exists function drupal/core/lib/Drupal/Core/Database/Query/Merge.php Implements Drupal\Core\Database\Query\ConditionInterface::exists().
module_exists function drupal/core/includes/module.inc Determines whether a given module exists.
Select::exists function drupal/core/lib/Drupal/Core/Database/Query/Select.php Sets a condition that the specified subquery returns values.
Update::exists function drupal/core/lib/Drupal/Core/Database/Query/Update.php Implements Drupal\Core\Database\Query\ConditionInterface::exists().
Delete::exists function drupal/core/lib/Drupal/Core/Database/Query/Delete.php Implements Drupal\Core\Database\Query\ConditionInterface::exists().
db_index_exists function drupal/core/includes/database.inc Checks if an index exists in the given table.
db_table_exists function drupal/core/includes/database.inc Checks if a table exists.
db_field_exists function drupal/core/includes/database.inc Checks if a column exists in the given table.
Merge::notExists function drupal/core/lib/Drupal/Core/Database/Query/Merge.php Implements Drupal\Core\Database\Query\ConditionInterface::notExists().
Select::notExists function drupal/core/lib/Drupal/Core/Database/Query/Select.php Sets a condition that the specified subquery returns no values.
Update::notExists function drupal/core/lib/Drupal/Core/Database/Query/Update.php Implements Drupal\Core\Database\Query\ConditionInterface::notExists().
Delete::notExists function drupal/core/lib/Drupal/Core/Database/Query/Delete.php Implements Drupal\Core\Database\Query\ConditionInterface::notExists().
Condition::exists function drupal/core/modules/field/modules/field_sql_storage/lib/Drupal/field_sql_storage/Entity/Condition.php Implements Drupal\Core\Entity\Query\ConditionInterface::exists().
QueryBase::exists function drupal/core/lib/Drupal/Core/Entity/Query/QueryBase.php Implements Drupal\Core\Entity\Query\QueryInterface::exists().
FILE_EXISTS_ERROR constant drupal/core/includes/file.inc Flag for dealing with existing files: Do nothing and return FALSE.
Condition::exists function drupal/core/lib/Drupal/Core/Database/Query/Condition.php Implements Drupal\Core\Database\Query\ConditionInterface::exists().
RedisMock::exists function drupal/core/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Tests/Profiler/Mock/RedisMock.php Verify if the specified key exists.
Collection::exists function drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Collections/Collection.php Tests for the existence of an element that satisfies the given predicate.
FILE_EXISTS_RENAME constant drupal/core/includes/file.inc Flag for dealing with existing files: Appends number until name is unique.
FileStorage::exists function drupal/core/lib/Drupal/Core/Config/FileStorage.php Implements Drupal\Core\Config\StorageInterface::exists().
Schema::tableExists function drupal/core/lib/Drupal/Core/Database/Schema.php Check if a table exists.
Schema::fieldExists function drupal/core/lib/Drupal/Core/Database/Schema.php Check if a column exists in the given table.
Schema::indexExists function drupal/core/lib/Drupal/Core/Database/Schema.php Checks if an index exists in the given table.
Schema::indexExists function drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php Checks if an index exists in the given table.
Schema::tableExists function drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php Check if a table exists.
Schema::fieldExists function drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php Check if a column exists in the given table.
Event::offsetExists function drupal/core/vendor/guzzle/common/Guzzle/Common/Event.php
Schema::tableExists function drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php Check if a table exists.
Schema::fieldExists function drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php Check if a column exists in the given table.
Schema::indexExists function drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php Checks if an index exists in the given table.
FILE_EXISTS_REPLACE constant drupal/core/includes/file.inc Flag for dealing with existing files: Replace the existing file.
Schema::indexExists function drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php Checks if an index exists in the given table.
Field::offsetExists function drupal/core/lib/Drupal/Core/Entity/Field/Type/Field.php Implements ArrayAccess::offsetExists().
FileStorage::exists function drupal/core/lib/Drupal/Component/PhpStorage/FileStorage.php Implements Drupal\Component\PhpStorage\PhpStorageInterface::exists().
NullStorage::exists function drupal/core/lib/Drupal/Core/Config/NullStorage.php Implements Drupal\Core\Config\StorageInterface::exists().
Select::havingExists function drupal/core/lib/Drupal/Core/Database/Query/Select.php
filter_format_exists function drupal/core/modules/filter/filter.module Determines if a text format exists.
Condition::notExists function drupal/core/modules/field/modules/field_sql_storage/lib/Drupal/field_sql_storage/Entity/Condition.php Implements Drupal\Core\Entity\Query\ConditionInterface::notExists().
QueryBase::notExists function drupal/core/lib/Drupal/Core/Entity/Query/QueryBase.php Implements Drupal\Core\Entity\Query\QueryInterface::notExists().
Condition::notExists function drupal/core/lib/Drupal/Core/Database/Query/Condition.php Implements Drupal\Core\Database\Query\ConditionInterface::notExists().
CachedStorage::exists function drupal/core/lib/Drupal/Core/Config/CachedStorage.php Implements Drupal\Core\Config\StorageInterface::exists().
QueryInterface::exists function drupal/core/lib/Drupal/Core/Entity/Query/QueryInterface.php Queries for the existence of a field.
NestedArray::keyExists function drupal/core/lib/Drupal/Component/Utility/NestedArray.php Determines whether a nested array contains the requested keys.
SelectExtender::exists function drupal/core/lib/Drupal/Core/Database/Query/SelectExtender.php Sets a condition that the specified subquery returns values.
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.
Select::havingNotExists function drupal/core/lib/Drupal/Core/Database/Query/Select.php
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.
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().
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.

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