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<?php |
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/** |
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* Custom Autoloader used when included inside another project as a package. |
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* |
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* Since this package can be included multiple times, but we want to ensure the latest version |
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* is loaded (rather than the first package found), we need a custom autoloader. |
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* |
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* This autoloader is only loaded for the chosen (latest) package. |
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* |
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* For version 4 onwards, we use psr-4 class naming. |
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* For version 3 and below, we use a classmap to maintain class naming/backwards compatibility. |
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* |
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* @package WooCommerce/RestApi |
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*/ |
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namespace WooCommerce\RestApi; |
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defined( 'ABSPATH' ) || exit; |
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/** |
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* Autoloader class. |
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*/ |
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class Autoloader { |
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/** |
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* Holds the classmap. |
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* |
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* @var array |
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*/ |
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protected static $classmap = []; |
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/** |
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* Register the autoloader. |
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* |
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* @param array $classmap Classmap of files to include. |
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*/ |
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public static function register( $classmap ) { |
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self::$classmap = (array) $classmap; |
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spl_autoload_register( array( __CLASS__, 'autoload_class' ) ); |
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} |
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/** |
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* Try to autoload a class. |
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* |
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* @param string $class Class being autoloaded. |
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* @return boolean |
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*/ |
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public static function autoload_class( $class ) { |
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$prefix = 'WooCommerce\\RestApi\\'; |
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$base_dir = __DIR__ . '/'; |
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// does the class use the namespace prefix? |
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$len = strlen( $prefix ); |
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if ( strncmp( $prefix, $class, $len ) !== 0 ) { |
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return self::autoload_from_classmap( $class ); |
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} |
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$relative_class = substr( $class, $len ); |
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$file = $base_dir . str_replace( '\\', '/', $relative_class ) . '.php'; |
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if ( file_exists( $file ) ) { |
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return include $file; |
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} |
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} |
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/** |
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* Try to autoload a class from a classmap. |
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* |
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* @param string $class Class being autoloaded. |
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* @return boolean |
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*/ |
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protected static function autoload_from_classmap( $class ) { |
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if ( empty( self::$classmap ) ) { |
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return false; |
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} |
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if ( array_key_exists( $class, self::$classmap ) ) { |
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return include self::$classmap[ $class ]; |
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} |
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} |
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} |
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woocommerce /
woocommerce-rest-api
