peterkeung/ezflow — comment on commit 6ff2c2092e56ee072648e76b87124075ace7e9ad
File: packages/ezflow_extension/ezextension/ezflow/design/standard/templates/block/edit/edit.tpl line 82
By lserwatka:

This line will generate a warning in the debug as not every block has it defined, even if custom. This should be backward compatible. You should use ezini_hasvariable. Define $custom_attribute_names as an empty array then in the if condition merge with ini setting value.