Support calling Event::from_post() on subclasses

Author: Coby Tamayo

phpstan.neon.dist

@@ -11,6 +11,7 @@ parameters:
   ignoreErrors:
     # TODO Figure out how to discover the WP_CLI class
     - '#^Call to static method success\(\) on an unknown class WP_CLI\.$#'
+    - '#^Unsafe usage of new static\(\).$#'
     # We can't have strong typehints without union types :(
     - '#has no return typehint specified\.#'
     - '#^Parameter \#1 \$term of static method Timber\\Timber::get_term\(\) expects int\|WP_Term\|null, array\|WP_Term given\.$#'

src/Event.php

@@ -144,7 +144,7 @@ public static function post_to_calendar_series(Post $post) : array {
    * @return self
    */
   public static function from_post(Post $post) : self {
-    return new self($post);
+    return new static($post);
   }
 
   /**