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Description #description

This filter can be used to add or edit settings when a PDF is updated – either via the UI or using the GPDFAPI::update_pdf() method. Any changes made to the PDF settings using this filter will be permanently stored in the database.

You also have the option to use the gfpdf_form_update_pdf_$form_id filter.

Parameters #parameters

$pdf | array
The PDF settings
$form_id | integer
The current Gravity Form ID the PDF is being added to
$pdf_id | string
The ID of the current PDF being processed

Usage #usage

In this snippet we’re first checking if the setting exists and, if it doesn’t, adding it to our settings array:

add_action( 'gfpdf_form_update_pdf', function( $pdf, $form_id, $pdf_id ) {
    /* If the PDF doesn't contain this setting yet we'll set a default */
    if ( ! isset( $pdf['prefix_custom_setting'] ) ) {
        $pdf['prefix_custom_setting'] = 'My Custom Setting';
    return $pdf;
}, 10, 3 );

You can also specifically target a form:

add_action( 'gfpdf_form_update_pdf_2', function( $pdf, $form_id, $pdf_id ) { }, 10, 3 );

Source Code #source-code

This filter is located in the Helper_Abstract_Options::update_pdf() method of /src/helper/abstract/Helper_Abstract_Options.php.

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