How can PHP be used to automate the process of splitting a PDF based on predefined breakpoints?

To automate the process of splitting a PDF based on predefined breakpoints using PHP, we can utilize the `FPDI` library to import the PDF file and `FPDF` library to create new PDF files. We can then loop through the pages of the original PDF, checking for the predefined breakpoints, and create new PDF files accordingly. 

require_once('fpdf/fpdf.php');
require_once('fpdi/fpdi.php');

$pdf = new FPDI();

// Define the original PDF file
$original_pdf = 'original.pdf';

// Define the breakpoints where we want to split the PDF
$breakpoints = array(3, 6, 9);

// Import the original PDF file
$pagecount = $pdf->setSourceFile($original_pdf);

for ($i = 1; $i <= $pagecount; $i++) {
    $templateId = $pdf->importPage($i);

    // Check if the current page is a breakpoint
    if (in_array($i, $breakpoints)) {
        $pdf->addPage();
        $pdf->useTemplate($templateId);
        $output_pdf = 'split_' . $i . '.pdf';
        $pdf->Output($output_pdf, 'F');
        $pdf->close();
        $pdf = new FPDI();
    } else {
        $pdf->addPage();
        $pdf->useTemplate($templateId);
    }
}

$pdf->close();

Keywords

PHP PDF automation splitting predefined breakpoints

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