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chengkun

2025-06-05 4080b5997b38ca84b3b203c7101dcadb97b76925

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<?php
 
namespace PhpOffice\PhpSpreadsheet\Writer\Xlsx;
 
use PhpOffice\PhpSpreadsheet\Reader\Xlsx\Namespaces;
use PhpOffice\PhpSpreadsheet\Shared\XMLWriter;
 
class RelsVBA extends WriterPart
{
    /**
     * Write relationships for a signed VBA Project.
     *
     * @return string XML Output
     */
    public function writeVBARelationships(): string
    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        }
 
        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');
 
        // Relationships
        $objWriter->startElement('Relationships');
        $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);
        $objWriter->startElement('Relationship');
        $objWriter->writeAttribute('Id', 'rId1');
        $objWriter->writeAttribute('Type', Namespaces::VBA_SIGNATURE);
        $objWriter->writeAttribute('Target', 'vbaProjectSignature.bin');
        $objWriter->endElement();
        $objWriter->endElement();
 
        return $objWriter->getData();
    }
}