OverLord Shell

<?php 
session_start();
include_once("db/conn.php");
require_once("include/general_function.php");
if($_SERVER['REQUEST_METHOD']!='POST' || empty($_POST)){echo "404.php";exit;}
$sasa1=explode("~",$_POST['state_id']);
$P_DIST="";
if($_POST['P_DIST']!="")
{
	$P_DIST = $_POST['P_DIST'];
}

$listq1="SELECT * FROM states_cities WHERE state_sr_no=".$sasa1[0]." ORDER BY city asc";
$listr1=$connection->query($listq1);
?>
<option value="">Select</option>
<?php
while($listrow1=$listr1->fetch_assoc()){
?>
<option value="<?php echo $listrow1['city_sr_no']."~".$listrow1['city'];?>" <?php if( $listrow1['city_sr_no'] == $P_DIST) echo "selected";?>><?php echo $listrow1['city'];?></option>
<?php
}
$listr1->free();
//$connection1->close();

?>