The complete form structure. #process, #after_build, #element_validate, and other handlers being invoked on a form element may use this reference
public FormState::setTriggeringElement($triggering_element)
public FormState::isValidationComplete() Determines
The form element that triggered submission, which may or may not be a button (in the case of Ajax forms). This key is often used to distinguish between various buttons in a
public FormState::cleanValues() Removes
Normally, after the entire form processing is completed and submit handlers have run, a form is considered to be done and
public FormState::isRebuilding() Determines
public FormState::setBuildInfo(array $build_info) Sets
An associative array of form value keys to be removed by cleanValues(). Any values that are temporary but must still be displayed as values
public &FormState::getCompleteForm() Returns
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