Insert a unique ID into a form : md5 « Utility Function « PHP

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PHP » Utility Function » md5 
Insert a unique ID into a form
 
<form method="post" action="<?php echo $_SERVER['SCRIPT_NAME'] ?>"
      onsubmit="document.getElementById('submit-button').disabled = true;">
<!-- insert all the normal form elements you need -->
<input type='hidden' name='token' value='<?php echo md5(uniqid()) ?>'/>
<input type='submit' value='Save Data' id='submit-button'/>
</form>
  
  
Related examples in the same category
1. Checking for session hijacking
2. string md5 ( string str [, bool raw_output] )
3. string md5 ( string str [, bool raw_output] ) produces a data checksum in exactly the same way as sha1( );
4. Creating an md5 signature
5. PHP's basic md5() function
6. The protect() MD5 Form Fingerprint Generator
7. md5.php
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