title: PHP : How to get all variable name in php post method
body: <p>I would like to get and display all variable names which are posted by <code>method="post"</code> in a form. I am not aware of variables which passed from post method in HTML. Is there any method to list the all variables posted by post method ?.. Thanks in advance.</p>
  
  <p>example:
  <a href="http://www.dhamu.in/oncreate2.php?workload=10&amp;request_type=project&amp;name=web%20design&amp;description=we%20have%20done%20it&amp;budget=1&amp;bidperiod=11&amp;project_guidelines=checked&amp;job_113=1&amp;xxxx=10" rel="noreferrer">http://www.dhamu.in/oncreate2.php?workload=10&amp;request_type=project&amp;name=web%20design&amp;description=we%20have%20done%20it&amp;budget=1&amp;bidperiod=11&amp;project_guidelines=checked&amp;job_113=1&amp;xxxx=10</a>
  Here i do no the variable name "xxxx"</p>