public function hasConfValueString(
        $fieldName,
        $sheet = 'sDEF',
        $ignoreFlexform = false
    ) {
        return $this->getConfValueString(
                $fieldName,
                $sheet,
                false,
                $ignoreFlexform
            ) !== '';
    }
public function hasConfValueString(
        $fieldName,
        $sheet = 'sDEF',
        $ignoreFlexform = false
    ) {
        return $this->getConfValueString(
                $fieldName,
                $sheet,
                false,
                $ignoreFlexform
            ) !== '';
    }
public function hasConfValueString ( $ fieldName , $ sheet = 'sDEF' , $ ignoreFlexform = false ) { return $ this -> getConfValueString ( $ fieldName , $ sheet , false , $ ignoreFlexform ) !== '' ; }
Checks whether a string value from flexforms or TS setup is set.
The priority lies on flexforms; if nothing is found there, the value
from TS setup is checked. If there is no field with that name in TS
setup, FALSE is returned.

@param string $fieldName field name to extract
@param string $sheet sheet pointer, eg. "sDEF"
@param bool $ignoreFlexform
whether to ignore the flexform values and just get the settings from TypoScript, may be empty

@return bool whether there is a non-empty value in the
corresponding flexforms or TS setup entry
Checks whether a string value from flexforms or TS setup is set . The priority lies on flexforms ; if nothing is found there the value from TS setup is checked . If there is no field with that name in TS setup FALSE is returned .