WP rewrite permalinks demos

gistfile1.txt

	public function wp_rewrite_rules() {
		$this->rules = get_option('rewrite_rules');

		if ( empty($this->rules) ) {
			$this->matches = 'matches';
			$this->rewrite_rules();
			if ( ! did_action( 'wp_loaded' ) ) {
				add_action( 'wp_loaded', array( $this, 'flush_rules' ) );
				return $this->rules;
			}
			update_option('rewrite_rules', $this->rules);
		}

		// ar($this->rules );

		$old_rules = $this->rules;

		$this->rules = array();

		$force_add = array('shop/?$', 'portfolio/?$');
		$reverse_order_keys = array(
			'order-pay',
			'order-received',
			'orders',
			'view-order',
			'downloads',
			'edit-account',
			'edit-address',
			'payment-methods',
			'lost-password',
			'customer-logout',
			'add-payment-method',
			'delete-payment-method',
			'set-default-payment-method',
		);

		foreach ( $old_rules as $key => $value) {
			$last_index = (int) substr($value, -2, 1);
			$new_index = $last_index + 1;

			$new_route_after = false; //!( strpos($key, 'product-category') !== false && strpos($key, 'page') !== false );
			$found = false;

			if( $new_route_after ) $this->rules[ $key ] = $value;

			foreach ($reverse_order_keys as $val) {
				if( ! strpos( $key, $val ) ) continue;

				$key_parts = explode($val, $key);
				$value_parts = explode($val, $value);

				$new_key = $key_parts[0] . 'demo/([^/]+)/' . $val . $key_parts[1];

				$new_value = $value_parts[0] .'&demo=$matches[' . $last_index . ']' . '&' . $val . '=$matches[' . $new_index . ']';
				
				$this->rules[ $new_key ] = $new_value;

			}
			
			if( ! $found && strpos($key, 'page/') !== false ) {
				$key_parts = explode('page/', $key);
				$value_parts = explode('&paged=', $value);

				$new_key = $key_parts[0] . 'demo/([^/]+)/' . 'page/' . $key_parts[1];

				$new_value = $value_parts[0] .'&demo=$matches[' . $last_index . ']' . '&paged=$matches[' . $new_index . ']';

				$this->rules[ $new_key ] = $new_value;

			} else if( ! $found && ( $last_index > 0 && substr($key, -2, 2) == '?$' || in_array( $key, $force_add ) ) ) {
				$new_key = substr($key, 0, -2) . 'demo/([^/]+)/' . '?$';
				$new_value = $value . '&demo=$matches[' . $new_index . ']';
				$this->rules[ $new_key ] = $new_value;

			}

			if( ! $new_route_after ) $this->rules[ $key ] = $value;


		}

		// $this->rules[ 'demo/([^/]+)/?$' ] = 'index.php?demo=$matches[1]';

			// ar($this->rules);

		return $this->rules;
	}