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Title Object type File name Summary
QueryInterface::exists function core/lib/Drupal/Core/Entity/Query/QueryInterface.php Queries for a non-empty value on a field.
QueryInterface::notExists function core/lib/Drupal/Core/Entity/Query/QueryInterface.php Queries for an empty field.
ReadOnlyStorage::exists function core/lib/Drupal/Core/Config/ReadOnlyStorage.php Returns whether a configuration object exists.
Recipe::validateRecipeExists function core/lib/Drupal/Core/Recipe/Recipe.php Validates that a recipe exists.
RecipeConfigStorageWrapper::exists function core/lib/Drupal/Core/Recipe/RecipeConfigStorageWrapper.php Returns whether a configuration object exists.
RecipeConfigStorageWrapperTest::testLeftSideExists function core/tests/Drupal/Tests/Core/Recipe/RecipeConfigStorageWrapperTest.php Validate that the first storage checks existence first.
RecipeConfigStorageWrapperTest::testNotExists function core/tests/Drupal/Tests/Core/Recipe/RecipeConfigStorageWrapperTest.php Validate FALSE when neither storage contains a key.
RecipeConfigStorageWrapperTest::testRightSideExists function core/tests/Drupal/Tests/Core/Recipe/RecipeConfigStorageWrapperTest.php Validate that we fall back to the second storage.
RecipeExtensionConfigStorage::exists function core/lib/Drupal/Core/Recipe/RecipeExtensionConfigStorage.php Returns whether a configuration object exists.
RecipeOverrideConfigStorage::exists function core/lib/Drupal/Core/Recipe/RecipeOverrideConfigStorage.php Returns whether a configuration object exists.
ReflectionTest::existsForTesting function core/tests/Drupal/Tests/Component/Utility/ReflectionTest.php
RegressionTest::testDBFieldExists function core/tests/Drupal/KernelTests/Core/Database/RegressionTest.php Tests the \Drupal\Core\Database\Schema::fieldExists() method.
RegressionTest::testDBIndexExists function core/tests/Drupal/KernelTests/Core/Database/RegressionTest.php Tests the Schema::indexExists() method.
RegressionTest::testDBTableExists function core/tests/Drupal/KernelTests/Core/Database/RegressionTest.php Tests the Schema::tableExists() method.
Schema::constraintExists function core/modules/pgsql/src/Driver/Database/pgsql/Schema.php Helper function: check if a constraint (PK, FK, UK) exists.
Schema::extensionExists function core/modules/pgsql/src/Driver/Database/pgsql/Schema.php Determines whether the PostgreSQL extension is created.
Schema::fieldExists function core/modules/sqlite/src/Driver/Database/sqlite/Schema.php Check if a column exists in the given table.
Schema::fieldExists function core/modules/pgsql/src/Driver/Database/pgsql/Schema.php Check if a column exists in the given table.
Schema::fieldExists function core/lib/Drupal/Core/Database/Schema.php Check if a column exists in the given table.
Schema::indexExists function core/modules/sqlite/src/Driver/Database/sqlite/Schema.php Checks if an index exists in the given table.
Schema::indexExists function core/modules/mysql/src/Driver/Database/mysql/Schema.php Checks if an index exists in the given table.
Schema::indexExists function core/modules/pgsql/src/Driver/Database/pgsql/Schema.php Checks if an index exists in the given table.
Schema::indexExists function core/lib/Drupal/Core/Database/Schema.php Checks if an index exists in the given table.
Schema::tableExists function core/modules/sqlite/src/Driver/Database/sqlite/Schema.php Check if a table exists.
Schema::tableExists function core/modules/pgsql/src/Driver/Database/pgsql/Schema.php Check if a table exists.
Schema::tableExists function core/lib/Drupal/Core/Database/Schema.php Check if a table exists.
SchemaObjectExistsException class core/lib/Drupal/Core/Database/SchemaObjectExistsException.php Exception thrown if an object being created already exists.
SchemaObjectExistsException.php file core/lib/Drupal/Core/Database/SchemaObjectExistsException.php
SchemaTest::testPgsqlExtensionExists function core/modules/pgsql/tests/src/Kernel/pgsql/SchemaTest.php @covers \Drupal\pgsql\Driver\Database\pgsql\Schema::extensionExists
SchemaTest::testTableExists function core/modules/pgsql/tests/src/Kernel/pgsql/SchemaTest.php Tests the method tableExists().
SearchPageFormBase::exists function core/modules/search/src/Form/SearchPageFormBase.php Determines if the search page entity already exists.
Select::havingExists function core/lib/Drupal/Core/Database/Query/Select.php Sets a HAVING condition that the specified subquery returns values.
Select::havingNotExists function core/lib/Drupal/Core/Database/Query/Select.php Sets a HAVING condition that the specified subquery returns no values.
SelectExtender::exists function core/lib/Drupal/Core/Database/Query/SelectExtender.php Sets a condition that the specified subquery returns values.
SelectExtender::havingExists function core/lib/Drupal/Core/Database/Query/SelectExtender.php Sets a HAVING condition that the specified subquery returns values.
SelectExtender::havingNotExists function core/lib/Drupal/Core/Database/Query/SelectExtender.php Sets a HAVING condition that the specified subquery returns no values.
SelectExtender::notExists function core/lib/Drupal/Core/Database/Query/SelectExtender.php Sets a condition that the specified subquery returns no values.
SelectInterface::havingExists function core/lib/Drupal/Core/Database/Query/SelectInterface.php Sets a HAVING condition that the specified subquery returns values.
SelectInterface::havingNotExists function core/lib/Drupal/Core/Database/Query/SelectInterface.php Sets a HAVING condition that the specified subquery returns no values.
SelectSubqueryTest::testExistsSubquerySelect function core/tests/Drupal/KernelTests/Core/Database/SelectSubqueryTest.php Tests EXISTS subquery conditionals on SELECT statements.
SelectSubqueryTest::testNotExistsSubquerySelect function core/tests/Drupal/KernelTests/Core/Database/SelectSubqueryTest.php Tests NOT EXISTS subquery conditionals on SELECT statements.
SessionExistsCacheContext class core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php Defines the SessionExistsCacheContext service, for "session or not" caching.
SessionExistsCacheContext.php file core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php
SessionExistsCacheContext::$requestStack property core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php The request stack.
SessionExistsCacheContext::$sessionConfiguration property core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php The session configuration.
SessionExistsCacheContext::getCacheableMetadata function core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php Gets the cacheability metadata for the context.
SessionExistsCacheContext::getContext function core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php Returns the string representation of the cache context.
SessionExistsCacheContext::getLabel function core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php Returns the label of the cache context.
SessionExistsCacheContext::__construct function core/lib/Drupal/Core/Cache/Context/SessionExistsCacheContext.php Constructs a new SessionExistsCacheContext class.
SessionExistsCacheContextTest class core/modules/system/tests/src/Functional/Cache/SessionExistsCacheContextTest.php Tests the 'session.exists' cache context service.

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