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Version: v6

gfpdf_mpdf_post_init_class

Description​

This filter gives you access to the mPDF object after the initial PDF setup code has finished running, and before the template HTML has been generated/loaded.

caution

If using a Core or Universal PDF template, writing content directly to the PDF using this filter can break the Header and Footer display.

Version​

This filter was introduced in Gravity PDF 5.1.5.

Parameters​

$mpdf | object​

  • The initialised mPDF class that handles the PDF generation

$form | array​

  • The current Gravity Forms array

$entry | array​

  • The raw Gravity Forms Entry array.

$settings | array​

  • The current PDF settings being processed

$Helper_PDF | object​

  • The initialised \GFPDF\Helper\Helper_PDF class

Usage​

Write content directly to the PDF:

add_filter( 'gfpdf_mpdf_init_class', function( $mpdf, $form, $entry, $settings, $Helper_PDF ) {
    $mpdf->WriteHTML( 'This is included right at the beginning of the document...' );

    return $mpdf;

}, 10, 5 );

Change the default zoom level of the PDF to 100%:

add_filter( 'gfpdf_mpdf_post_init_class', function( $mpdf ) {
        // See http://mpdf.github.io/reference/mpdf-functions/setdisplaymode.html for valid inputs
    $mpdf->SetDisplayMode(100);

    return $mpdf;
} );

Source Code​

This filter is located in the Helper_PDF::begin_pdf() method of /src/helper/Helper_PDF.php.