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Version: v6

PDF Invoice Hooks – gfpdf_post_invoice_html

Description​

Use this action to dynamically insert content into the PDF Invoice after all other content.

Arguments​

The following arguments are passed to functions that use this hook:

$args | array​

  • Contains an array of all variables passed into the PDF template, including 'form' 'entry' 'form_data' 'settings' 'fields' 'config'

Usage​

Add HTML to the bottom of every PDF Invoice across every form:

add_action( 'gfpdf_post_invoice_html', function( $args ) {
    ?>
    <p>A paragraph of text to be included at the end of every PDF Invoice for all forms.</p>
    <?php
} );

Add HTML to the bottom of every PDF Invoice on a specific form:

add_action( 'gfpdf_post_invoice_html', function( $args ) {
    if ( (int) ( $args['form']['id'] ?? 0 ) !== 20 ) {
        return;
    }

    ?>
    <p>A paragraph of text to be included at the end of every PDF Invoice for a specific form.</p>
    <?php
} );

Source Code​

This hook can be found in the associated Invoice PDF template file, which is located in the PDF Working Directory.