6 files declare their use of AttributeHelper
- AttributeHelperTest.php in core/
tests/ Drupal/ Tests/ Core/ Template/ AttributeHelperTest.php - FieldPreprocess.php in core/
lib/ Drupal/ Core/ Field/ FieldPreprocess.php - Htmx.php in core/
lib/ Drupal/ Core/ Htmx/ Htmx.php - ImagePreprocess.php in core/
lib/ Drupal/ Core/ Theme/ ImagePreprocess.php - theme.inc in core/
includes/ theme.inc - The theme system, which controls the output of Drupal.
- ThemeManager.php in core/
lib/ Drupal/ Core/ Theme/ ThemeManager.php
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