wp-includes/class-wp-post.php:377Convert object to array.
array public function to_array() { $post = get_object_vars( $this ); foreach ( array( 'ancestors', 'page_template', 'post_category', 'tags_input' ) as $key ) { if ( $this->__isset( $key ) ) { $post[ $key ] = $this->__get( $key ); } } return $post; }Introduced in 3.5.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
array to array<string,.verified against sourcesrc/wp-includes/class-wp-post.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.