Count PDF Pages in Folders and Subfolders with PHP

 Below php code provide list of all pdf files and page count under a folder or subfolder into a csv file.

Here you will required PdfParser library. We will installed this using composer.

so go to composer folder and type below command to installed PdfParser library-

C:\composer>composer require smalot/pdfparser

<?php

require 'C:\composer\vendor\autoload.php'; // Load Composer's autoloader

use Smalot\PdfParser\Parser;

function countPdfPages($pdfPath) {

    try {

        $parser = new Parser();

        $pdf = $parser->parseFile($pdfPath);

        return count($pdf->getPages());

    } catch (Exception $e) {

        echo "Error reading $pdfPath: " . $e->getMessage() . PHP_EOL;

        return 0;

    }

}

function getPdfFilesAndCounts($rootFolder) {

    $pdfInfo = [];    

    // Use RecursiveDirectoryIterator to loop through all directories and files

    $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($rootFolder));    

    foreach ($iterator as $fileInfo) {

        if ($fileInfo->isFile() && strtolower($fileInfo->getExtension()) === 'pdf') {

            $pdfPath = $fileInfo->getPathname();

            $pageCount = countPdfPages($pdfPath);

            $pdfInfo[] = [$pdfPath, $pageCount];

        }

    }   

    return $pdfInfo;

}

function writeToCsv($pdfInfo, $outputCsv) {

    $file = fopen($outputCsv, 'w');    

    // Write the CSV header

    fputcsv($file, ['File Path', 'Page Count']);    

    // Write data

    foreach ($pdfInfo as $row) {

        fputcsv($file, $row);

    }    

    fclose($file);

}

// Set the root folder containing your PDF files

$rootFolder = 'Path of Folder'; // Change this to your folder path

$outputCsv = 'pdf_page_counts.csv'; // Output CSV file name

$pdfInfo = getPdfFilesAndCounts($rootFolder);

writeToCsv($pdfInfo, $outputCsv);

echo "Page counts for PDF files have been written to $outputCsv" . PHP_EOL;

?>