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Register script help

Discussion in 'PHP' started by im-not-alive, Mar 20, 2008.

  1. #1
    Well recently I created a simple register script that saves the user name/password along with some other information into a text file. It works great except for one thing, some people user invalid characters in their user name (¿, ñ, ╥, etc.) causing server errors, and I need a fix for it because I simply can't think of one. Thanks in advance!
    SEMrush
     
    im-not-alive, Mar 20, 2008 IP
    SEMrush
  2. RoscoeT

    RoscoeT Peon

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    #2
    Try this function to test if a string is alpha numeric.

    http://ca3.php.net/manual/en/function.ctype-alnum.php

     
    RoscoeT, Mar 20, 2008 IP
  3. RoscoeT

    RoscoeT Peon

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    #3
    Or, also you could make a function with an array that contains all your acceptable characters and test the strings against it.
     
    RoscoeT, Mar 20, 2008 IP
  4. im-not-alive

    im-not-alive Peon

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    #4
    Yeah, thats what I was thinking. Thanks for the help mate.
     
    im-not-alive, Mar 20, 2008 IP