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Do not use ob_* functions in XSLX exporter, as this affects global state and can lead to sideffects

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Jan Böhmer 2025-08-31 23:05:07 +02:00
parent 0c7aa5e92a
commit d57107ed3e
1 changed files with 10 additions and 5 deletions
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15
src/Services/ImportExportSystem/EntityExporter.php
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@ -137,7 +137,7 @@ class EntityExporter
*
* @param AbstractNamedDBElement[] $entities The entities to export
* @param array $options The export options
*
*
* @return string The Excel file content as binary string
*/
protected function exportToExcel(array $entities, array $options): string
@ -187,10 +187,15 @@ class EntityExporter
//Save to memory stream
$writer = $options['format'] === 'xlsx' ? new Xlsx($spreadsheet) : new Xls($spreadsheet);
ob_start();
$writer->save('php://output');
$content = ob_get_contents();
ob_end_clean();
$memFile = fopen("php://temp", 'r+b');
$writer->save($memFile);
rewind($memFile);
$content = stream_get_contents($memFile);
fclose($memFile);
if ($content === false) {
throw new \RuntimeException('Failed to read Excel content from memory stream.');
}
return $content;
}