Form Php

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function checkandsubmit() { 
  document.test.submitbut.disabled = true; 
  document.test.submit(); 
} 



 Your Name:   type="text" name="yourname" maxlength="150" />



if ($file = fopen ( "test.txt", "w+" )) {
  fwrite ( $file, "Processing" );
} else {
  echo "Error opening file.";
}
echo $_POST ['yourname'];
?>