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Description #description

This action should be used in conjunction with the gfpdf_settings_tools filter to add new functionality to Gravity PDF. While the gfpdf_settings_tools filter adds the new button to the admin area, the gfpdf_tool_tab_actions does all the actual validation and processing.

Parameters #parameters

$settings | array
An associative array which contains the Tool tab form $_POST['gfpdf_settings'] data. Use this to check if a user clicked on a specific action.

Usage #usage

The following snippet shows you how to correctly process a button called prefix_flush_logs, which we’ve assumed was included in the Tools tab using the gfpdf_settings_tools filter.

Note: it’s very important you don’t skip on the nonce verification!

add_action( 'gfpdf_tool_tab_actions', function( $settings ) {

     * Check if our tools action button was clicked and if we have a valid nonce
     * At this stage a user has already had their capabilities checked (they must have the "gravityforms_edit_setting" capability)
     * so there's no need to do that test.
    if ( isset( $settings['prefix_flush_logs']['name'] ) && isset( $settings['prefix_flush_logs']['nonce'] ) ) {

        /* Get our notice and logging class for later use */
        $logs    = GPDFAPI::get_log_class();
        $notices = GPDFAPI::get_notice_class();

         * Verify the nonce
         * We automatically set an nonce for this field using the name "gfpdf_settings[{:field_id}]"
         * For instance, our 'prefix_flush_logs' field should have its nonce validated against 'gfpdf_settings[prefix_flush_logs]'
        if ( ! wp_verify_nonce( $settings['prefix_flush_logs']['nonce'], 'gfpdf_settings[prefix_flush_logs]' ) ) {

             * Add a failure message in our logs and notify the user
            $logs->addWarning( 'Nonce Verification Failed.' );
            $notices->add_error( __( 'There was a problem flushing the logs. Please try again.', 'prefix-text-domain' ) );

            return null;

         * If we are here the user has correctly authenticated and they want your action to run
         * Include all your action handling code below.
        //unlink( '/path/to/log/files' );

        /* Notify the user it was successful and log the results */
        $notices->add_notice( __( 'Gravity PDF Logs successfully flushed', 'prefix-text-domain' ) );
        $logs->addNotice( 'Gravity PDF Logs successfully flushed' );

        return true;

} );

Source Code #source-code

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

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