Sorry to jump in the middle of a conversation, but I just wanted to
say that I personally use trigger_error() quite often.

  Me too, I use it for warnings, notices, and errors
  that cannot be remedied.

  In my programs I also simulate custom error codes. The first
  part of the error string looks something like

  "[error.code] Message"

  and I parse this later and act upon it.

The site I
maintain has a nice custom error handler which logs the error and
emails the admins the error details + var dumps, etc.
  Absolutely.

  I often use
trigger_error() in my code because it allows me to treat certain
situations the same as a PHP generated error.  Of course, I suppose I
could just call my custom error handler directly but that seems less
elegant...just MHO.

  The way with trigger_errors is better because you can at any
  time turn the custom error handler off, and everything would
  still work.


Bye,
Ivan



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