foreach loop statement in php

<?php
	include("connection.php");
	if(isset($_REQUEST["sub"]))
	{
		$t1=$_REQUEST["city"];
		$t2=$_REQUEST["val1"];
		if($t1!=-1)
		{
		$q="insert into area_master(cityid,area_name)values($t1,'$t2')";
		
		$ex=mysql_query($q,$con);
		
		if($ex>0)
		{
			$msg="Data is inserted";
		}
		else
		{
			$msg="Data is not inserted";
		}
	}
	}
?>
<form action="#" method="post">
<b>
<p align="center">
<?php

	if(isset($msg))
	{
		echo $msg;
	}
?>
</p>
</b>
<table align="center" border="2">
<tr>
		<td>
			<label>City Name</label>
		</td>
		<td>
			<select name="city" size="1">
			<option value="-1">--SELECT--</option>
				<?php
					include("connection.php");
					$q="select *from city";
					$res=mysql_query($q,$con);
					while($row=mysql_fetch_array($res))
					{
					?>
					<option value="<?php echo $row[0]; ?>"><?php echo $row[2]; ?></option>
					<?php
					}
				?>
		</select>
		</td>
	</tr>
	<tr>
		<td>
		<label>Area Name</label>
		</td>
		<td>
		<input type="text" name="val1" size="20"/>
		</td>
	</tr>
	<tr>
		<td></td>
		<td>
		<input type="submit" name="sub" value="Add Area"/>
		</td>
	</tr>
</table>
<h3>Manage Area</h3>
<table align="center" border="3" cellpadding="10" cellspacing="10" >
<th align="center">City Name</th>
<th align="center">Area</th>
<th align="center">EDIT</th>
<th align="center">DELETE</th>
<?php
	
	include("connection.php");
	$q="SELECT a.area_id,a.area_name,c.cityname from area_master a ,city c where a.cityid=c.cityid";
	
	$res=mysql_query($q,$con);
	
	while($row=mysql_fetch_array($res))
	{
		?>
		<tr>
		<td align="center"><?php echo $row[2]; ?></td>
		<td align="center"><?php echo $row[1]; ?></td>
		<td align="center"><a href="?id=updatearea&id1=<?php echo $row[0]; ?>">EDIT</a></td>
		<td align="center"><a href="delarea.php?did=<?php echo $row[0]; ?>" onClick="return confirm('sure do you want to delete?')">DELETE</a></td>
		</tr>
		<?php
	}
?>
</table>
</form>