php - Disable column in auto generated table -

this auto generated table.
want hide or show first row based on if condition value how achieve?

for($tr=1;$tr<=$rows;$tr++){     echo "<tr>";     for($td=1;$td<=$cols;$td++){         //  echo "<td>row: ".$tr." column: ".$td."</td>";          echo "<td><input type='text' name='bhk'></td>";     }     echo "</tr>"; } 

for($tr=1;$tr<=$rows;$tr++){     if($tr != 1){ // put condition between () on line          echo "<tr>";          for($td=1;$td<=$cols;$td++){              //  echo "<td>row: ".$tr." column: ".$td."</td>";              echo "<td><input type='text' name='bhk'></td>";          }     }     echo "</tr>"; }