public function getSheetNames()
    {
        $returnValue = array();
        $worksheetCount = $this->getSheetCount();
        for ($i = 0; $i < $worksheetCount; ++$i) {
            $returnValue[] = $this->getSheet($i)->getTitle();
        }

        return $returnValue;
    }
public function getSheetNames()
    {
        $returnValue = array();
        $worksheetCount = $this->getSheetCount();
        for ($i = 0; $i < $worksheetCount; ++$i) {
            $returnValue[] = $this->getSheet($i)->getTitle();
        }

        return $returnValue;
    }
public function getSheetNames ( ) { $ returnValue = array ( ) ; $ worksheetCount = $ this -> getSheetCount ( ) ; for ( $ i = 0 ; $ i < $ worksheetCount ; ++ $ i ) { $ returnValue [ ] = $ this -> getSheet ( $ i ) -> getTitle ( ) ; } return $ returnValue ; }
Get sheet names

@return string[]
Get sheet names