Render/suggest empty custom vars correctly

[yhabteab]

fixes #778

[nilmerg]

vars = {
    examples["Joooo"] = []
    examples["Joooo"][0] = []
}

[yhabteab]

[julianbrost]

One thing I noticed in the screenshot: empty arrays seem to miss the "(Array)" hint.

[nilmerg]

That's unavoidable. PHP cannot differentiate between an empty dict and an empty list.

[julianbrost]

Unavoidable as in you're reconstructing the whole vars data structure with PHP data types and Icinga 2 arrays and dicts are both represented by PHP arrays? And if there's an empty PHP array, you don't know whether it was an array or dict in Icinga 2?

[nilmerg]

@yhabteab Please check once more. Should be working fine now.

[nilmerg]

Didn't look at your/my code changes yet, but testing revealed this: