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    <p>PHP executes on the server before getting sent to the the client. Therefor, if you can do things like this:</p> <p><code>newpoints[0] = new Array(&lt;?php echo $lattitude;?&gt;, &lt;?php echo $longitude;?&gt;, icon0, 'Place', 'Content to open');</code></p> <p>Where <code>$lattitude</code> and <code>$longitude</code> are values that you pulled out of you database with PHP.</p> <p>When this page is requested by the client, your php code executes, real values get plugged in where those php tags are making it look like the example you provided, and then it gets sent to the client. </p> <p>If you want to change these values using JS on the client, or fetch new ones from the server, let me know and I'll add an example of that.</p> <p><strong>EDIT:</strong></p> <p>Okay, in light of your comments, it sounds like you've got a few options. Here's one:</p> <p>When the user selects a category (restaurants, bars, etc) you pass that category as a url parameter and reload either the whole page, or just the map part of it (depends on your set up but might be worth investigating). Your link would look something like this:</p> <p><code>http://www.your-domain-here.com/maps.php?category=bars</code></p> <p>Maps.php is ready to catch the category using the <code>$_GET</code> array:</p> <p><code>$category = $_GET['category']; //'bars'</code> </p> <p>Your php then grabs the appropriate location data from the database (I'll leave that part to you) and sticks it in a variable that your JS-controlled map will be able to use:</p> <pre><code>//JS in maps.php - you could add this var to the window object // if you have separated js files... var locationCoords = &lt;?php echo json_encode($arrayOfCoordinatesFromDB);?&gt;; </code></pre> <p>When you page loads on the client machine, it now has an array of coordinates to use for the map ready to go in the <code>locationCoords</code> variable.</p> <p>Then, depending on which coordinates you need to display on the map, you pass them as arguments to your <code>addPoints()</code> using standard Javascript (nothing tricky here). </p> <p>That's how I'd do it. Hope that helps! </p>
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    1. COI have a loop to also display the things on my page. I'll send in various coordinates. Would I need to pass the variables to the addpoints function like addPoints(<?php echo $i; ?>, <?php echo $lattitude;?>, <?php echo $longitude;?>, icon0, 'Place', 'Content to open')?
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    2. COI think I see where you're going with this, but let me ask before giving you the long answer: 1) It seems like you need to be able pass in new coordinates as the user interacts with the map. Is that correct? 2) I imagine that you want to be able to get coordinates from the server when you need them, as opposed to loading all possible coordinates the first time your page downloads. Is that correct?
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    3. COSo my scenarios is say I'm loading restaurants and there are 10 of them. I'm trying to pass in the lat/long of each one of them to create the markers. Then the user might select bars and then I'll have to pass in 15 coordinates etc. I'm trying to do it from within PHP script because I'm doing other stuff with zip codes etc.
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