What are common errors encountered when generating PDF files using PHP, and how can they be resolved?

One common error when generating PDF files using PHP is encountering issues with headers already being sent. This can be resolved by ensuring that no output is sent before calling functions like header() or setcookie(). To fix this, you can use output buffering to capture the output before sending any headers. 

<?php
ob_start(); // Start output buffering

// Your PDF generation code here

ob_end_clean(); // Clean the output buffer without sending it

Keywords

PDF generation PHP errors troubleshooting TCPDF FPDF

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