[wp-trac] [WordPress Trac] #48166: Cannot create a new CPT without taxonomies

[WordPress Trac]

#48166: Cannot create a new CPT without taxonomies
--------------------------+-----------------------------
 Reporter:  scarr         |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  5.2.3
 Severity:  normal        |   Keywords:  has-patch
  Focuses:                |
--------------------------+-----------------------------
 When calling register_post_type() where $args does NOT include taxononies
 details ('taxonomies = NULL), the following message is displayed:

 Warning: Invalid argument supplied for foreach() in ..\wp-includes\class-
 wp-post-type.php on line 597

 This is because register_post_type contains a call to
 $post_type_object->register_taxonomies().

 Bug in wp-includes/class-wp-posst-type.php function =
 register_taxonomies()

 Current:
         public function register_taxonomies() {
                 foreach ( $this->taxonomies as $taxonomy ) {
                         register_taxonomy_for_object_type( $taxonomy,
 $this->name );
                 }
         }

 Proposed Fix:
         public function register_taxonomies() {
                 if (!is_array($this->taxonomies)) { return; }
                 foreach ( $this->taxonomies as $taxonomy ) {
                         register_taxonomy_for_object_type( $taxonomy,
 $this->name );
                 }
         }

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Ticket URL: <https://core.trac.wordpress.org/ticket/48166>
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