What are potential reasons for receiving a 0-byte PDF file when using PHP to display or read PDF files?

When receiving a 0-byte PDF file when using PHP to display or read PDF files, it could be due to incorrect file paths, file permissions, or issues with the PDF generation process. To solve this issue, check the file paths and permissions, ensure that the PDF generation process is functioning correctly, and handle any errors that may occur during the file creation process. 

$pdfFilePath = 'path/to/your/pdf/file.pdf';

if (file_exists($pdfFilePath) && filesize($pdfFilePath) > 0) {
    header('Content-Type: application/pdf');
    readfile($pdfFilePath);
} else {
    echo 'Error: PDF file not found or empty.';
}

Keywords

PHP PDF file handling fopen error handling

Related Questions