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how do I compare (validate) a form field text in php to a data type varchar filed in a mysql database?

ackrts asked
Last Modified: 2012-05-06
I have a simple form that users must "digitally sign" before continuing.  In my mysql database, they have a first name (fname) and a last name (lname) field.  

The form collects their ip address and the current time stamp.  It then asks them to "sign" by entering their first and last name.  Upon submit, I want the form to validate what the user entered for first and last name against their account in the database.  It must match exactly with fname and lname.  If it does not, the form should error.

Thanks in advance for any help!
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