Description

I noticed something strange with symfony cache. Itforbids to use a colon: in the key name.

But, namespacing keys with redis is (was?) a best practice, and so we lose some power when usingredis insight for example.

In insight, I can profile redis, and it shows me what keys I use the most by grouping keys by pattern (a:b:c:*)

As you can see, the "TOP KEY PATTERNS" is poorly detailed.

1. Redis recommends to namespace key with a colon
2. Redis insight uses this pattern to analyze keys and group results
3. Symfony forbit me to use a colon in the but
4. And moreover, Symfony itself, in the very end does use a colon (between the app prefix seed and my key (f-yOWMrlsA:*on the screenshot)

So to me, we should simply remove this restriction

Note:psr restricts this usage

Key - [...] The following characters are reserved for future extensions and MUST NOT be supported by implementing libraries: {}()/@:

But I don't use PSR, And I personally don't care about this PSR since I'm using Symfony contracts.

Example

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