src/LynX39/LaraPdfMerger/tcpdf/tcpdi_parser.php
public function getPDFVersion() {
        preg_match('/\d\.\d/', substr($this->pdfdata, 0, 16), $m);
        if (isset($m[0]))
            $this->pdfVersion = $m[0];
        return $this->pdfVersion;
    }
public function getPDFVersion() {
        preg_match('/\d\.\d/', substr($this->pdfdata, 0, 16), $m);
        if (isset($m[0]))
            $this->pdfVersion = $m[0];
        return $this->pdfVersion;
    }
public function getPDFVersion ( ) { preg_match ( '/\d\.\d/' , substr ( $ this -> pdfdata , 0 , 16 ) , $ m ) ; if ( isset ( $ m [ 0 ] ) ) $ this -> pdfVersion = $ m [ 0 ] ; return $ this -> pdfVersion ; }
Get PDF-Version

And reset the PDF Version used in FPDI if needed
@public
Get PDF - Version