How to hide a submit button in codeigniter

Question

How to hide the submit button when $row['completion_status']=='completed'.

My view code is:

<input type="submit" <?=($row[ 'checklist_id']=="Denied" ||$row[ 'checklist_id']=="Approved" ||$row[ 'completion_status']=="completed" )? "disabled='true'": "";?>name="sumit_button" 
       value="Update" 
       class="btn" 
       style="float:left;background:#d8d8d8;color:#000;box-shadow:0px 0px 1x rgba(0,0,0,0.2)!important;">

Answer 1

try like this code

<?php 
  $display = ($row[ 'checklist_id']=="Denied" ||$row[ 'checklist_id']=="Approved" ||$row[ 'completion_status']=="completed" )? "display:none": "display:block";
?>
<input type="submit" name="sumit_button" 
   value="Update" 
   class="btn" 
   style="float:left;background:#d8d8d8;color:#000;box-shadow:0px 0px 1x rgba(0,0,0,0.2)!important;<?php echo $display; ?>">