What are the potential challenges in displaying the content of PDF, DOC, and XLS files using PHP?

One potential challenge in displaying the content of PDF, DOC, and XLS files using PHP is that these file formats require specialized software to parse and render their content. To overcome this, you can use libraries such as TCPDF for PDF files, PHPWord for DOC files, and PHPExcel for XLS files to extract and display the content. 

// Example code for displaying the content of a PDF file using TCPDF library
require_once('tcpdf/tcpdf.php');

$pdf = new TCPDF();
$pdf->setSourceFile('example.pdf');
$pdf->Output('example.pdf', 'I');

Keywords

PDF DOC XLS display challenges

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