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| <?php | |
| // just using a file, could easily be replaced by some other storage method | |
| if (isset($_REQUEST['new']) && $_REQUEST['new'] == '1') { | |
| $ver = new stdClass(); | |
| $ver->ver = time(); | |
| file_put_contents('ver.json', json_encode($ver)); | |
| } | |
| else { | |
| echo file_get_contents('ver.json'); | |
| die(); | |
| } |
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| <html> | |
| <head> | |
| <title></title> | |
| <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script> | |
| <meta name="viewport" content="initial-scale=1" /> | |
| </head> | |
| <body> | |
| <div id="ver" style="font-size: 4em;"></div> | |
| <img src="http://baconmockup.com/300/300/bacon" /> | |
| <script type="text/javascript"> | |
| var version = ''; | |
| jQuery(document).ready(function() { | |
| setTimeout(reloadOnNewVersion, 250); | |
| }); | |
| window.onbeforeunload = function(e) { | |
| setNewVersion(); | |
| } | |
| function setNewVersion() { | |
| jQuery.ajax({ | |
| async: false, | |
| url: 'api.php', | |
| type: 'POST', | |
| data: { 'new':1 } | |
| }).done(function(results) { }); | |
| } | |
| function reloadOnNewVersion() { | |
| jQuery.post('api.php', function(results) { | |
| if (version == '') | |
| version = results.ver; | |
| else if (version != results.ver) { | |
| window.onbeforeunload = null; | |
| window.location.reload(true); | |
| } | |
| jQuery('#ver').html(version); | |
| setTimeout(reloadOnNewVersion, 250); | |
| }, 'json'); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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