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<?php
/**
* WooCommerce Autoloader.
*
* @package WooCommerce\Classes
* @version 2.3.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Autoloader class.
*/
class WC_Autoloader {
/**
* Path to the includes directory.
*
* @var string
*/
private $include_path = '';
/**
* The Constructor.
*/
public function __construct() {
if ( function_exists( '__autoload' ) ) {
spl_autoload_register( '__autoload' );
}
spl_autoload_register( array( $this, 'autoload' ) );
$this->include_path = untrailingslashit( plugin_dir_path( WC_PLUGIN_FILE ) ) . '/includes/';
}
/**
* Take a class name and turn it into a file name.
*
* @param string $class Class name.
* @return string
*/
private function get_file_name_from_class( $class ) {
return 'class-' . str_replace( '_', '-', $class ) . '.php';
}
/**
* Include a class file.
*
* @param string $path File path.
* @return bool Successful or not.
*/
private function load_file( $path ) {
if ( $path && is_readable( $path ) ) {
include_once $path;
return true;
}
return false;
}
/**
* Auto-load WC classes on demand to reduce memory consumption.
*
* @param string $class Class name.
*/
public function autoload( $class ) {
$class = strtolower( $class );
if ( 0 !== strpos( $class, 'wc_' ) ) {
return;
}
// The Legacy REST API was removed in WooCommerce 9.0, but some servers still have
// the includes/class-wc-api.php file after they upgrade, which causes a fatal error when executing
// "class_exists('WC_API')". This will prevent this error, while still making the class visible
// when it's provided by the WooCommerce Legacy REST API plugin.
if ( 'wc_api' === $class ) {
return;
}
// If the class is already loaded from a merged package, prevent autoloader from loading it as well.
if ( \Automattic\WooCommerce\Packages::should_load_class( $class ) ) {
return;
}
$file = $this->get_file_name_from_class( $class );
$path = '';
if ( 0 === strpos( $class, 'wc_addons_gateway_' ) ) {
$path = $this->include_path . 'gateways/' . substr( str_replace( '_', '-', $class ), 18 ) . '/';
} elseif ( 0 === strpos( $class, 'wc_gateway_' ) ) {
$path = $this->include_path . 'gateways/' . substr( str_replace( '_', '-', $class ), 11 ) . '/';
} elseif ( 0 === strpos( $class, 'wc_shipping_' ) ) {
$path = $this->include_path . 'shipping/' . substr( str_replace( '_', '-', $class ), 12 ) . '/';
} elseif ( 0 === strpos( $class, 'wc_shortcode_' ) ) {
$path = $this->include_path . 'shortcodes/';
} elseif ( 0 === strpos( $class, 'wc_meta_box' ) ) {
$path = $this->include_path . 'admin/meta-boxes/';
} elseif ( 0 === strpos( $class, 'wc_admin' ) ) {
$path = $this->include_path . 'admin/';
} elseif ( 0 === strpos( $class, 'wc_payment_token_' ) ) {
$path = $this->include_path . 'payment-tokens/';
} elseif ( 0 === strpos( $class, 'wc_log_handler_' ) ) {
$path = $this->include_path . 'log-handlers/';
} elseif ( 0 === strpos( $class, 'wc_integration' ) ) {
$path = $this->include_path . 'integrations/' . substr( str_replace( '_', '-', $class ), 15 ) . '/';
} elseif ( 0 === strpos( $class, 'wc_notes_' ) ) {
$path = $this->include_path . 'admin/notes/';
}
if ( empty( $path ) || ! $this->load_file( $path . $file ) ) {
$this->load_file( $this->include_path . $file );
}
}
}
new WC_Autoloader();
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