public function checkIfSingleInTableNotEmpty(
        $fieldName,
        $canUseFlexforms,
        $sheet,
        $explanation,
        $tableName
    ) {
        $this->checkIfSingleInSetNotEmpty(
            $fieldName,
            $canUseFlexforms,
            $sheet,
            $explanation,
            $this->getDbColumnNames($tableName)
        );
    }
public function checkIfSingleInTableNotEmpty(
        $fieldName,
        $canUseFlexforms,
        $sheet,
        $explanation,
        $tableName
    ) {
        $this->checkIfSingleInSetNotEmpty(
            $fieldName,
            $canUseFlexforms,
            $sheet,
            $explanation,
            $this->getDbColumnNames($tableName)
        );
    }
public function checkIfSingleInTableNotEmpty ( $ fieldName , $ canUseFlexforms , $ sheet , $ explanation , $ tableName ) { $ this -> checkIfSingleInSetNotEmpty ( $ fieldName , $ canUseFlexforms , $ sheet , $ explanation , $ this -> getDbColumnNames ( $ tableName ) ) ; }
Checks whether a configuration value is non-empty and is one of the
column names of a given DB table.

@param string $fieldName
TS setup field name to extract, must not be empty
@param bool $canUseFlexforms
whether the value can also be set via flexforms (this will be
mentioned in the error message)
@param string $sheet
flexforms sheet pointer, eg. "sDEF", will be ignored if
$canUseFlexforms is set to FALSE
@param string $explanation
a sentence explaining what that configuration value is needed for,
must not be empty
@param string $tableName
a DB table name (must not be empty)

@return void
Checks whether a configuration value is non - empty and is one of the column names of a given DB table .