FormState::has

public function FormState::has

public FormState::has($property)

Determines if an arbitrary property is present.

Parameters

string $property: Properties are often stored as multi-dimensional associative arrays. If $property is a string, it will return isset($storage[$property]). If $property is an array, each element of the array will be used as a nested key. If $property = ['foo', 'bar'] it will return 登录查看完整内容