html - output won't shown up php -


can please tell me why nothing shown when opening page? 

<?php  include_once("functions.php"); // process $action = isset($_post["action"]) ? $_post["action"] : ""; if (empty($action))  {     // send contact form html     $output = "<form action='#' style='display:none'>                <label for='image'>upload:  </label>                <input type='file' id='image' name='image' maxlength=50>"; } echo $output; ?> 

<form style = "display:none">

this preventing displaying.. remove style or replace style = "display: block" or whatever need.


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