Preventing Multiple Submissions on the Client Side : Form Post « Form « PHP

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PHP » Form » Form Post 
Preventing Multiple Submissions on the Client Side
 
<html>
<script language="javascript" type="text/javascript"
function checkandsubmit() { 
  document.test.submitbut.disabled = true
  document.test.submit()

</script>
<body>
<form action="index.php" method="post" name="test" onsubmit="return checkandsubmit ()">
<input type="hidden" name="submitted" value="yes" /> Your Name: <input
  type="text" name="yourname" maxlength="150" />
<input type="submit" value="Submit" id="submitbut" name"submitbut" /></form>
</body>
</html>
<?php
if ($file = fopen "test.txt""w+" )) {
  fwrite $file, "Processing" );
else {
  echo "Error opening file.";
}
echo $_POST ['yourname'];

?>
  
  
Related examples in the same category
1.An HTML Form That Calls Itself
2.Combined Feedback Form
3.Form submitting
4.GET vs. POST
5.Making a multipage form
6.One-script form processing
7.Preventing Multiple Submissions on the Server Side
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