Notice: register_meta was called incorrectly. When registering an "array" meta type to show in the REST API, you must specify the schema for each array item in "show_in_rest.schema.items". Please see Debugging in WordPress for more information. (This message was added in version 5.3.0.) in /home/bworguk/public_html/wp-includes/functions.php on line 4903
_http_build_query() – From php.net (modified by Mark Jaquith to behave like the native PHP5 function).