php - Cannot get POST variables -

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i have php file posting variables same page not working.

here snippet of page. 

<?php session_start(); require_once 'connect.php'; require_once 'protect.php';  //$_session['uid'] = 1;  if(isset($_post['shout']))       echo 'posted'; if(isset($_post['submit']))       echo 'posted'; ?>  <form method="post" action="">         <input type="text" name="shout">         <input type="text" name="name">         <input type="submit" value="shout!"> </form> 

<input name="submit" type="submit" value="shout!">

name attribute missing


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