Question mark in print_r array key

I have a small form for setting event reminders. Couple check boxes and some date times. Nothing fancy. One field in particular is getting passed into php with something funky:

<input type="checkbox" name="smsGetReminder" value="1" checked />
<input type="checkbox" name="smsGetUpdates" value="1" checked />

Pretty basic right? 2 check boxes checked by default. Now when they get posted (send as $_GET) a question mark magically appears in front of smsGetUpdates so that it looks like this:

Array ( 
[?smsGetBlast] => 1 
[smsGetReminder] => 1 
[dp1] => 06/18/2011 
[rHrs] => 07 
[rMins] => 00 
[rAmpm] => PM 
[smsPhone] => 1234567890 开发者_如何转开发
[getEmail] => 1 [f] => p 
)

Where is that question mark coming from? When I extract $_GET everything works as expected except that one. The validation portion tells me $smsGetBlast doesn't exist because obviously it has a question mark there.

Any help would be much appreciated.

~~~~SOLVED~~~~

I had accidentally put a ? in my ajax data string. The jquery documentation led me to believe it was needed when it was not.

You have probably inadvertently inserted a "strange" character into the name attribute of the smsGetBlast input element _{(Which is missing in the question, nudge nudge)}.

My crystal ball tells me that you inadvertently inserted fancy quotes instead of " after name= in that element.