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<?php |
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/** |
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* background updater. |
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* |
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* Uses https://github.com/A5hleyRich/wp-background-processing to handle DB |
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* updates in the background. |
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* |
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* @author WooThemes |
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* @category Admin |
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* @package WooCommerce/Classes |
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* @version 2.6.0 |
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*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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include_once( 'libraries/wp-async-request.php' ); |
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include_once( 'libraries/wp-background-process.php' ); |
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/** |
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* WC_Background_Updater Class. |
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*/ |
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class WC_Background_Updater extends WP_Background_Process { |
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/** |
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* @var string |
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*/ |
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protected $action = 'wc_updater'; |
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/** |
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* Dispatch |
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*/ |
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public function dispatch() { |
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WC_Admin_Notices::add_notice( 'updating' ); |
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parent::dispatch(); |
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} |
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/** |
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* Task |
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* |
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* Override this method to perform any actions required on each |
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* queue item. Return the modified item for further processing |
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* in the next pass through. Or, return false to remove the |
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* item from the queue. |
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* |
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* @param string $callback Update callback function |
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* @return mixed |
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*/ |
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protected function task( $callback ) { |
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if ( ! defined( 'WC_UPDATING' ) ) { |
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define( 'WC_UPDATING', true ); |
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} |
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$logger = new WC_Logger(); |
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include_once( 'wc-update-functions.php' ); |
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if ( is_callable( $callback ) ) { |
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$logger->add( 'wc_db_updates', sprintf( 'Running %s callback', $callback ) ); |
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call_user_func( $callback ); |
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$logger->add( 'wc_db_updates', sprintf( 'Finished %s callback', $callback ) ); |
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} else { |
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$logger->add( 'wc_db_updates', sprintf( 'Could not find %s callback', $callback ) ); |
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} |
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return false; |
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} |
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/** |
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* Complete |
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* |
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* Override if applicable, but ensure that the below actions are |
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* performed, or, call parent::complete(). |
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*/ |
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protected function complete() { |
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$logger = new WC_Logger(); |
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$logger->add( 'wc_db_updates', 'Data update complete' ); |
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WC_Install::update_db_version(); |
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parent::complete(); |
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} |
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} |
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woothemes /
woocommerce
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.