On 11/08/2016 15:49, Lester Caine wrote:
The question is not how
you flag an error, but rather when do you check for one. If the 'load'
function from a database record or the populate from a web form results
in $age not being valid one handles that situation based on the data
model. If you are propagating that data after validating has failed then
the program flow is wrong and adding some exception when you use the
duff data later does nothing to help?
Fair enough, so in summary, what you're looking for is a more
comprehensive and/or user-friendly version of the filter_* functions?
That is, methods to:
- associate validation rules to a variable/array key/object property
- manually check whether the validation rules for one or several
variables currently pass
But you are not particularly interested in language-level enforcement or
tracking of whether and when these validation rules have been checked,
because you want to insert the validation at specific points in the
workflow.
Is that an accurate summary?
Regards,
--
Rowan Collins
[IMSoP]
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