Can someone recommend a better method for doing something like the following? 
All of my programs are written like this, but it's really poor form 
considering I'm not predeclaring my variables, etc.   Only thing I can really 
think of is to assign a value in the form a number like 1 or something, then 
do a if $value == 1 {do something} but that seems kinda hokey. Here's an 
example of something I'd do:



   if ($submitdata) {

   echo "<form name=\"form\" action=\"$PHP_SELF?\">\n";
   echo "  <input type=\"text\" name=\"data\">\n";
   echo "  <input type=\"submit\" name=\"submitdata\" value=\" Submit \">\n";
   echo "</form>\n</body>\n</html>";


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