It's an alias to this function:

http://sk2.php.net/manual/en/function.gettext.php

Kelly Hallman wrote:

I just ran across this syntax in someone else's code.
I can't detect any difference between these two expressions:

_("String value") and "String value"

Is there a difference? What does _("xyz") do, and is it documented
anywhere? I'm curious why this code (SquirrelMail) uses it in one place,
but not another. What say you, PHP gurus? Gotta love the syntactic sugar!

--
Kelly Hallman
// Ultrafancy


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