I like to use <form action =²² as a handy (ok, lazy) way to submit to ³self²
and capture the current URI, including query string. It¹s nice to have this
info for later processing for idempotent stuff, redirects, etc.
But, my question can I count on it?
The W3C says:
action = uri [CT]
This attribute specifies a form processing agent. User agent behavior
for a value other than an HTTP URI is undefined.
I translate this to mean action = ³² is not recommended, although I have
never experienced a problem in IE or FireFox. From what I have seen, if the
form method is get¹, a duplicate value in the query string will be
overridden by the form input element. And for posts, php nicely fills both
the post and get superglobals.
So can I count of this behavior?
Cliff
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