How to access array data from PHP in JavaScript -


this question has answer here:

i have code in php. works fine:

<?php  $servername = "localhost";  $username = "root";  $password = "";  $dbname = "tsunami_simulation";    // create connection  $conn = mysqli_connect($servername, $username, $password, $dbname);  // check connection  if (!$conn) {      die("connection failed: " . mysqli_connect_error());  }    //========================================================  	$sql='select a.household_name, b.latitude, b.longitude household a, location b a.household_id = b.household_id;';  	$result = mysqli_query($conn, $sql);  		  	if(mysqli_num_rows($result) > 0){  		  		for($i=0;$i<$num_rows;$i++){  			$row=mysql_fetch_row($result);    			$location[]= $row[0].', '.$row[2].', '.$row[1].','.($i+1);  			//echo "household name: " . $row[0]. " - latitude: " . $row[1]. " - longitude " . $row[2]. " " .($i+1)."<br>";  		}  		  	}else{echo "0 results";}  ?>

now, want access array result php file in javascript. tried using json.parse(). doesn't work. used piece of code: var locations = '<?php echo json_encode($location); ?>'; not give errors. followed locations = json.parse(locations) , returns <?php echo json_encode($location); ?> , not data. how can proper data, methods long works, please me. btw, want array database in wamp , put markers on googlemap using coordinates array. me please!..

edit: there's other code have access data: 

<!doctype html>  <html>   <head>     <meta http-equiv="content-type" content="text/html; charset=utf-8" />     <title>new 1 -- google maps multiple markers</title>     <script src="http://maps.google.com/maps/api/js?v3"             type="text/javascript"></script>  </head>   <body>    <div id="map" style="width: 500px; height: 400px;"></div>    <?php include 'location.php';?>        <script type="text/javascript">      var locations = <?php echo json_encode($location, json_hex_tag); ?>;        var map = new google.maps.map(document.getelementbyid('map'), {        zoom: 10,        center: new google.maps.latlng(6.40, 125.60),        maptypeid: google.maps.maptypeid.roadmap      });        var infowindow = new google.maps.infowindow();        var marker, i;        (i = 0; < locations.length; i++) {    		loc_array = locations[i].split(",");    		marker = new google.maps.marker({  			position: new google.maps.latlng(loc_array[1], loc_array[2]),  			map: map  		});    		google.maps.event.addlistener(marker, 'click', (function(marker, i) {  			return function() {  				infowindow.setcontent(loc_array[0]);  				infowindow.open(map, marker);  			}  		})(marker, i));      }    </script>  </body>  </html>

$location[]= array($row[0], $row[2], $row[1], $i+1);

and then

var locations = <?php echo json_encode($location, json_hex_tag); ?>

note: no json.parse needed, no quotes, , not manual concatenation of variables form quasi-array.

edit: json_hex_tag highly recommended, if have php 5.3.3+, plain json_encode not quite secure.


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