<?php
	$db = new PDO("pgsql:host=localhost; dbname=gmq717", "postgres", "gmq717");
	echo $_GET['var'] . '<br>';
	$sql = 'SELECT ' . $_GET['var'] . ' FROM montreal_postgis';
	echo $sql . '<br>';
	$query = $db->query($sql);
	echo json_encode($query->fetch());
	echo '<br>';
	echo json_encode($query->fetch());
?>