Opening url retrieved with PHP inside Javascript

Question

Need to open $link with javascript, that is retrieved from an XML file using PHP. Here's the code:

<?php

$url = "map.xml" ;
$xml = simplexml_load_file($url);
$link = $xml->url[mt_rand(0,count($xml->url)-1)]->loc ; // Get Random Location 
?>

<html>
<head>
    <title></title>
</head>
<body>
<script>
  $(document).ready(function(){
      window.open($link, "_blank"); // will open new tab on document ready
  });
</script>
</body>
</html>

Steve · Accepted Answer · 2016-01-20 18:02:04Z

3

You cannot access php variables from javascript. With php you can render html and javascript on server. So you need to print your $link variable to the page:

window.open("<?= $link ?>", "_blank");

Note that short echo tag <?= is only guaranteed to be available on php 5.4+, if you are stuck supporting an older version use <?php echo instead

edited Jan 20, 2016 at 18:02

Steve

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answered Jan 20, 2016 at 17:52

madox2

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2 Comments

jiblylabs Over a year ago

Ah, fantastic. Thank you! That worked (not sure why I overlooked the obvious). cheers

bytecode77 Over a year ago

Because it's a language feature that makes things easier. And it's good coding style to make use of language features as much as you can.

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