GF coinbase commerce change transaction id mergetag

change-transaction-id.php

<?php

/**
 * Snippet for Coinbase Commerce for gravity forms
 * This will replace the value of the transaction id mergetag with the value of the cc_order_id meta
 *
 * INSTRUCTIONS
 * Copy this to your functions.php of your child theme. Use a code snippets plugin if you dont have the child theme
 * Make sure to omit the <?php tag when copying to functions.php
 * 
 * @return string $text
 * @author geekontheroad
 * @link https://geekontheroad.com/coinbase-commerce-for-gravity-forms
 ***/
add_filter( 'gform_pre_replace_merge_tags', function ( $text, $form, $entry, $url_encode, $esc_html, $nl2br, $format ) {
    $merge_tag = '{transaction_id}';
 
    if ( strpos( $text, $merge_tag ) === false || empty( $form ) || empty( $entry ) ) {
        return $text;
    }

    $transaction_id = esc_html( rgar( $entry, 'cc_order_id' ) );
 
    return str_replace( $merge_tag, $url_encode ? urlencode( $transaction_id ) : $transaction_id, $text );
}, 10, 7 );