Make task list filterable, add custom action for task table headers

Author: kakoma

classes/tasks.php

@@ -91,7 +91,7 @@ public function sanitize_task( $task ) {
 			false
 		);
 
-		return $task;
+		return apply_filters( 'wpcable_sanitize_task',$task );
 	}
 
 	/**

functions/admin-tasks.php

@@ -239,6 +239,7 @@ class="list-title"
 					<th class="col-value"><?php esc_html_e( 'Value', 'wpcable' ); ?></th>
 					<th class="col-title"><?php esc_html_e( 'Title', 'wpcable' ); ?></th>
 					<th class="col-notes"><?php esc_html_e( 'Notes', 'wpcable' ); ?></th>
+					<?php do_action('wpcable_task_table_header'); ?>
 				</tr>
 			</thead>
 			<tbody class="task-list"></tbody>