在javascript中打印PHP值

Question

Is it possible to echo PHP in a javascript? i want to echo google coordinates in a javascript to center the map. The coordinates comming from the database (PhpMyAdmin)

The results from the echo are 50.9272511, 4.425786799999969

Check the following code out:

<script type='text/javascript'>
   function init_map() {
       var myOptions = {
            zoom: 10
            , center: new google.maps.LatLng(<?php echo $box['coordinates'];?>)
            , mapTypeId: google.maps.MapTypeId.ROADMAP
       };
       map = new google.maps.Map(document.getElementById('gmap_canvas'), myOptions);

       //1
       marker = new google.maps.Marker({
            map: map,
            position: new google.maps.LatLng()
       });
       infowindow = new google.maps.InfoWindow({
            content: '<strong>TEST</strong><br>Den helder, nederland<br>'
            });
       google.maps.event.addListener(marker, 'click', function () {
                infowindow.open(map, marker);
            });
            infowindow.open(map, marker);
     }

     google.maps.event.addDomListener(window, 'load', init_map);
</script>

Answer 1

Try to do like below:

In php : Separate latitude and longitude in different variable

$latLong = '50.9272511,4.425786799999969';
list($lat, $long) = explode(',',$latLong);

In JS : pass latitude and longitude as a separate parameter

<script type='text/javascript'>
    function init_map() {
        var myOptions = {
            zoom: 10
            , center: new google.maps.LatLng('<?php echo $lat;?>','<?php echo $long;?>')
            , mapTypeId: google.maps.MapTypeId.ROADMAP
        };
        map = new google.maps.Map(document.getElementById('gmap_canvas'), myOptions);

        //1
        marker = new google.maps.Marker({
            map: map
            , position: new google.maps.LatLng()
        });
        infowindow = new google.maps.InfoWindow({
            content: '<strong>TEST</strong><br>Den helder, nederland<br>'
        });
        google.maps.event.addListener(marker, 'click', function () {
            infowindow.open(map, marker);
        });
        infowindow.open(map, marker);
       google.maps.event.addDomListener(window, 'load', init_map);
</script>