13 files declare their use of YamlFormArrayHelper in YAML Form 8

OptionsBase.php in src/Plugin/YamlFormElement/OptionsBase.php

yamlform.module in ./yamlform.module

Enables the creation of forms and questionnaires.

yamlform.update.inc in includes/yamlform.update.inc

YAML Form module update hooks.

YamlFormAdminSettingsForm.php in src/Form/YamlFormAdminSettingsForm.php

YamlFormArrayHelperTest.php in tests/src/Unit/YamlFormArrayHelperTest.php

YamlFormElementBase.php in src/YamlFormElementBase.php

YamlFormElementStates.php in src/Element/YamlFormElementStates.php

YamlFormEntityElementsValidator.php in src/YamlFormEntityElementsValidator.php

YamlFormEntitySettingsForm.php in src/YamlFormEntitySettingsForm.php

YamlFormOptionsForm.php in src/YamlFormOptionsForm.php

YamlFormSubmissionDevelGenerate.php in src/Plugin/DevelGenerate/YamlFormSubmissionDevelGenerate.php

YamlFormSubmissionForm.php in src/YamlFormSubmissionForm.php

YamlFormTranslationManager.php in src/YamlFormTranslationManager.php