version;
$this->enabled = WPO_WCPDF()->legacy_mode_enabled();
$this->settings = include_once( 'class-wcpdf-legacy-settings.php' );
$this->export = include_once( 'class-wcpdf-legacy-export.php' );
$this->functions = include_once( 'class-wcpdf-legacy-functions.php' );
}
/**
* Redirect function calls directly to legacy functions class
*/
public function __call( $name, $arguments ) {
$human_readable_call = '$wpo_wcpdf->'.$name.'()';
$this->auto_enable_check( $human_readable_call );
if ( is_callable( array( WPO_WCPDF(), $name ) ) ) {
wcpdf_deprecated_function( $human_readable_call, '2.0', 'WPO_WCPDF()->'.$name.'()' );
return call_user_func_array( array( WPO_WCPDF(), $name ), $arguments );
} elseif ( is_callable( array( $this->functions, $name ) ) ) {
wcpdf_deprecated_function( $human_readable_call, '2.0', '$this->'.$name.'()' );
return call_user_func_array( array( $this->functions, $name ), $arguments );
} else {
throw new \Exception("Call to undefined method ".__CLASS__."::{$name}()", 1);
}
}
/**
* Fired when a call is made to the legacy class (also used by sub classes).
* If legacy mode was not enabled, it is automatically enabled and an error message is shown to the user
* Reloading the page should then work in legacy mode
*/
public function auto_enable_check( $call = '', $die = true ) {
if ( $this->enabled === false ) {
$debug_settings = get_option( 'wpo_wcpdf_settings_debug', array() );
$debug_settings['legacy_mode'] = 1;
update_option( 'wpo_wcpdf_settings_debug', $debug_settings );
$this->enabled = true;
add_action( 'wp_die_ajax_handler', function() {
return '_default_wp_die_handler';
} );
$title = __( 'Error', 'woocommerce-pdf-invoices-packing-slips' );
$message = __( 'An outdated template or action hook was used to generate the PDF. Legacy mode has been activated, please try again by reloading this page.', 'woocommerce-pdf-invoices-packing-slips' );
if (!empty($call)) {
$message = sprintf('%s%s: %s', $message, __( 'The following function was called', 'woocommerce-pdf-invoices-packing-slips' ), $call );
}
wp_die( "
{$title}
{$message}
", $title );
}
}
}
endif; // Class exists check
function WPO_WCPDF_Legacy() {
return WPO_WCPDF_Legacy::instance();
}
// Global for backwards compatibility.
$GLOBALS['wpo_wcpdf'] = WPO_WCPDF_Legacy();