Fix various linting errors.

classes/ActionScheduler_ActionClaim.php

@@ -4,20 +4,33 @@
  * Class ActionScheduler_ActionClaim
  */
 class ActionScheduler_ActionClaim {
+	/** @var string */
 	private $id = '';
+	/** @var int[] */
 	private $action_ids = array();
 
+	/**
+	 * Construct.
+	 *
+	 * @param string $id Claim ID.
+	 * @param int[]  $action_ids Action IDs.
+	 */
 	public function __construct( $id, array $action_ids ) {
 		$this->id = $id;
 		$this->action_ids = $action_ids;
 	}
 
+	/**
+	 * Get claim ID.
+	 */
 	public function get_id() {
 		return $this->id;
 	}
 
+	/**
+	 * Get IDs of claimed actions.
+	 */
 	public function get_actions() {
 		return $this->action_ids;
 	}
 }
-

classes/ActionScheduler_AdminView.php

@@ -6,8 +6,10 @@
  */
 class ActionScheduler_AdminView extends ActionScheduler_AdminView_Deprecated {
 
+	/** @var null|self */
 	private static $admin_view = NULL;
 
+	/** @var string */
 	private static $screen_id = 'tools_page_action-scheduler';
 
 	/** @var ActionScheduler_ListTable */
@@ -28,6 +30,8 @@ public static function instance() {
 	}
 
 	/**
+	 * Initialize.
+	 *
 	 * @codeCoverageIgnore
 	 */
 	public function init() {
@@ -45,6 +49,9 @@ public function init() {
 		}
 	}
 
+	/**
+	 * Print system status report.
+	 */
 	public function system_status_report() {
 		$table = new ActionScheduler_wcSystemStatus( ActionScheduler::store() );
 		$table->render();
@@ -119,20 +126,20 @@ protected function get_list_table() {
 	 */
 	public function maybe_check_pastdue_actions() {
 
-		# Filter to prevent checking actions (ex: inappropriate user).
+		// Filter to prevent checking actions (ex: inappropriate user).
 		if ( ! apply_filters( 'action_scheduler_check_pastdue_actions', current_user_can( 'manage_options' ) ) ) {
 			return;
 		}
 
-		# Get last check transient.
+		// Get last check transient.
 		$last_check = get_transient( 'action_scheduler_last_pastdue_actions_check' );
 
-		# If transient exists, we're within interval, so bail.
+		// If transient exists, we're within interval, so bail.
 		if ( ! empty( $last_check ) ) {
 			return;
 		}
 
-		# Perform the check.
+		// Perform the check.
 		$this->check_pastdue_actions();
 	}
 
@@ -143,9 +150,9 @@ public function maybe_check_pastdue_actions() {
 	 */
 	protected function check_pastdue_actions() {
 
-		# Set thresholds.
-		$threshold_seconds = ( int ) apply_filters( 'action_scheduler_pastdue_actions_seconds', DAY_IN_SECONDS );
-		$threshold_min    = ( int ) apply_filters( 'action_scheduler_pastdue_actions_min', 1 );
+		// Set thresholds.
+		$threshold_seconds = (int) apply_filters( 'action_scheduler_pastdue_actions_seconds', DAY_IN_SECONDS );
+		$threshold_min     = (int) apply_filters( 'action_scheduler_pastdue_actions_min', 1 );
 
 		// Set fallback value for past-due actions count.
 		$num_pastdue_actions = 0;
@@ -158,24 +165,24 @@ protected function check_pastdue_actions() {
 			return;
 		}
 
-		# Scheduled actions query arguments.
+		// Scheduled actions query arguments.
 		$query_args = array(
 			'date'     => as_get_datetime_object( time() - $threshold_seconds ),
 			'status'   => ActionScheduler_Store::STATUS_PENDING,
 			'per_page' => $threshold_min,
 		);
 
-		# If no third-party preempted, run default check.
+		// If no third-party preempted, run default check.
 		if ( is_null( $check ) ) {
 			$store = ActionScheduler_Store::instance();
-			$num_pastdue_actions = ( int ) $store->query_actions( $query_args, 'count' );
+			$num_pastdue_actions = (int) $store->query_actions( $query_args, 'count' );
 
-			# Check if past-due actions count is greater than or equal to threshold.
+			// Check if past-due actions count is greater than or equal to threshold.
 			$check = ( $num_pastdue_actions >= $threshold_min );
-			$check = ( bool ) apply_filters( 'action_scheduler_pastdue_actions_check', $check, $num_pastdue_actions, $threshold_seconds, $threshold_min );
+			$check = (bool) apply_filters( 'action_scheduler_pastdue_actions_check', $check, $num_pastdue_actions, $threshold_seconds, $threshold_min );
 		}
 
-		# If check failed, set transient and abort.
+		// If check failed, set transient and abort.
 		if ( ! boolval( $check ) ) {
 			$interval = apply_filters( 'action_scheduler_pastdue_actions_check_interval', round( $threshold_seconds / 4 ), $threshold_seconds );
 			set_transient( 'action_scheduler_last_pastdue_actions_check', time(), $interval );
@@ -189,7 +196,7 @@ protected function check_pastdue_actions() {
 			'order'  => 'asc',
 		), admin_url( 'tools.php' ) );
 
-		# Print notice.
+		// Print notice.
 		echo '<div class="notice notice-warning"><p>';
 		printf(
 			// translators: 1) is the number of affected actions, 2) is a link to an admin screen.
@@ -204,7 +211,7 @@ protected function check_pastdue_actions() {
 		);
 		echo '</p></div>';
 
-		# Facilitate third-parties to evaluate and print notices.
+		// Facilitate third-parties to evaluate and print notices.
 		do_action( 'action_scheduler_pastdue_actions_extra_notices', $query_args );
 	}
 

classes/ActionScheduler_AsyncRequest_QueueRunner.php

@@ -1,7 +1,4 @@
 <?php
-/**
- * ActionScheduler_AsyncRequest_QueueRunner
- */
 
 defined( 'ABSPATH' ) || exit;
 
@@ -35,7 +32,9 @@ class ActionScheduler_AsyncRequest_QueueRunner extends WP_Async_Request {
 	protected $action = 'async_request_queue_runner';
 
 	/**
-	 * Initiate new async request
+	 * Initiate new async request.
+	 *
+	 * @param ActionScheduler_Store $store Store object.
 	 */
 	public function __construct( ActionScheduler_Store $store ) {
 		parent::__construct();
@@ -49,7 +48,7 @@ public function __construct( ActionScheduler_Store $store ) {
 	 * if there are still pending actions after completing a queue in this request.
 	 */
 	protected function handle() {
-		do_action( 'action_scheduler_run_queue', 'Async Request' ); // run a queue in the same way as WP Cron, but declare the Async Request context
+		do_action( 'action_scheduler_run_queue', 'Async Request' ); // run a queue in the same way as WP Cron, but declare the Async Request context.
 
 		$sleep_seconds = $this->get_sleep_seconds();
 

classes/ActionScheduler_DataController.php

@@ -154,7 +154,7 @@ public static function free_memory() {
 		$wp_object_cache->cache          = array();
 
 		if ( is_callable( array( $wp_object_cache, '__remoteset' ) ) ) {
-			call_user_func( array( $wp_object_cache, '__remoteset' ) ); // important
+			call_user_func( array( $wp_object_cache, '__remoteset' ) ); // important!
 		}
 	}
 

classes/ActionScheduler_DateTime.php

@@ -34,7 +34,7 @@ public function getTimestamp() {
 	 *
 	 * This represents a fixed offset instead of a timezone setting.
 	 *
-	 * @param $offset
+	 * @param string|int $offset UTC offset value.
 	 */
 	public function setUtcOffset( $offset ) {
 		$this->utcOffset = intval( $offset );
@@ -54,7 +54,7 @@ public function getOffset() {
 	/**
 	 * Set the TimeZone associated with the DateTime
 	 *
-	 * @param DateTimeZone $timezone
+	 * @param DateTimeZone $timezone Timezone object.
 	 *
 	 * @return static
 	 * @link http://php.net/manual/en/datetime.settimezone.php

classes/ActionScheduler_FatalErrorMonitor.php

@@ -8,12 +8,23 @@ class ActionScheduler_FatalErrorMonitor {
 	private $claim = NULL;
 	/** @var ActionScheduler_Store */
 	private $store = NULL;
+	/** @var int */
 	private $action_id = 0;
 
+	/**
+	 * Construct.
+	 *
+	 * @param ActionScheduler_Store $store Action store.
+	 */
 	public function __construct( ActionScheduler_Store $store ) {
 		$this->store = $store;
 	}
 
+	/**
+	 * Start monitoring.
+	 *
+	 * @param ActionScheduler_ActionClaim $claim Claimed actions.
+	 */
 	public function attach( ActionScheduler_ActionClaim $claim ) {
 		$this->claim = $claim;
 		add_action( 'shutdown', array( $this, 'handle_unexpected_shutdown' ) );
@@ -23,6 +34,9 @@ public function attach( ActionScheduler_ActionClaim $claim ) {
 		add_action( 'action_scheduler_failed_execution',  array( $this, 'untrack_action' ), 0, 0 );
 	}
 
+	/**
+	 * Stop monitoring.
+	 */
 	public function detach() {
 		$this->claim = NULL;
 		$this->untrack_action();
@@ -33,16 +47,29 @@ public function detach() {
 		remove_action( 'action_scheduler_failed_execution',  array( $this, 'untrack_action' ), 0 );
 	}
 
+	/**
+	 * Track specified action.
+	 *
+	 * @param int $action_id Action ID to track.
+	 */
 	public function track_current_action( $action_id ) {
 		$this->action_id = $action_id;
 	}
 
+	/**
+	 * Un-track action.
+	 */
 	public function untrack_action() {
 		$this->action_id = 0;
 	}
 
+	/**
+	 * Handle unexpected shutdown.
+	 */
 	public function handle_unexpected_shutdown() {
-		if ( $error = error_get_last() ) {
+		$error = error_get_last();
+
+		if ( $error ) {
 			if ( in_array( $error['type'], array( E_ERROR, E_PARSE, E_COMPILE_ERROR, E_USER_ERROR, E_RECOVERABLE_ERROR ) ) ) {
 				if ( !empty($this->action_id) ) {
 					$this->store->mark_failure( $this->action_id );

classes/ActionScheduler_InvalidActionException.php

@@ -13,6 +13,7 @@ class ActionScheduler_InvalidActionException extends \InvalidArgumentException i
 	 * Create a new exception when the action's schedule cannot be fetched.
 	 *
 	 * @param string $action_id The action ID with bad args.
+	 * @param mixed  $schedule  Passed schedule.
 	 * @return static
 	 */
 	public static function from_schedule( $action_id, $schedule ) {
@@ -32,6 +33,7 @@ public static function from_schedule( $action_id, $schedule ) {
 	 * @author Jeremy Pry
 	 *
 	 * @param string $action_id The action ID with bad args.
+	 * @param mixed  $args      Passed arguments.
 	 * @return static
 	 */
 	public static function from_decoding_args( $action_id, $args = array() ) {