How can PHP be used to fill, extract, and store data from PDF documents in a MySQL database?

To fill, extract, and store data from PDF documents in a MySQL database using PHP, you can use a library like TCPDF to generate PDFs with form fields, use a library like FPDI to extract data from existing PDFs, and use PHP's MySQL functions to store the extracted data in a database. 

// Example code to extract data from a PDF using FPDI and store it in a MySQL database

// Include the FPDI library
require_once('fpdf/fpdi.php');

// Connect to MySQL database
$mysqli = new mysqli("localhost", "username", "password", "database");

// Create a new FPDI instance
$pdf = new FPDI();

// Set the source file
$pdf->setSourceFile("example.pdf");

// Get the number of pages
$pages = $pdf->getNumPages();

// Loop through each page
for ($i = 1; $i <= $pages; $i++) {
    // Import a page
    $pdf->setPage($i);
    
    // Extract text from the page
    $text = $pdf->getText();
    
    // Store the extracted text in the database
    $query = "INSERT INTO pdf_data (page_number, text) VALUES (?, ?)";
    $stmt = $mysqli->prepare($query);
    $stmt->bind_param("is", $i, $text);
    $stmt->execute();
}

// Close the MySQL connection
$mysqli->close();

Keywords

PHP PDF MySQL data extraction database storage

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