6 calls to NestedArray::keyExists() in Drupal 9

Config::hasOverrides in core/lib/Drupal/Core/Config/Config.php

Determines if overrides are applied to a key for this configuration object.

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

Adds the #name and #value properties of an input element before rendering.

FormValidator::handleErrorsWithLimitedValidation in core/lib/Drupal/Core/Form/FormValidator.php

Handles validation errors for forms with limited validation.

NestedArrayTest::testKeyExists in core/tests/Drupal/Tests/Component/Utility/NestedArrayTest.php

Tests existence of array key.

Row::hasDestinationProperty in core/modules/migrate/src/Row.php

Tests if destination property exists.

Row::hasSourceProperty in core/modules/migrate/src/Row.php

Determines whether a source has a property.