Altering semantic semantic-complete-analyze-inline completion

Hello,

tl;dr: the completion displayer class (semantic-complete-
inline-analyzer-displayor-class) only controls only the appearance of the
completion candidate so how can I alter the completion string when it's
actually inserted in the buffer, for example to drop the first character
under a specific condition?

What would be the recommended way of handling this odd completion
requirement?

In PHP class fields – being variables – they all notoriously begin with a $
symbol which creates an interesting problem when the completion happens
when completing instance attributes, for example:

$this->fieldName;

To complicate things, static fields are accessed with the self:: or static::
prefix so ideally I would like to be able to control this behaviour based
on that.

At first I thought about catering for this directly in the parser to strip
the first char off certain tags either by means of changing the regexp
analyser for variables – provided that capturing groups work? – or with
some lisp code in the grammar actions, alternatively a custom tag and/or
macro.

The only somewhat related option that propped up in my search was the
variable semantic-complete-inline-analyzer-displayor-class, which I think
only affects how the possible completions get displayed and doesn't seem
like a good starting point.

Thanks,
Andrea.

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