75 lines
1.5 KiB
PHP
75 lines
1.5 KiB
PHP
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<?php
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//Change as needed
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$base_path = $_SERVER['DOCUMENT_ROOT'];
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require('./config/jshrink.php');
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//This GZIPs the js for transmission to the user
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//making file size smaller and transfer rate quicker
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ob_start("ob_gzhandler");
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//Creative rewriting
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$pi = $_SERVER['PATH_INFO'];
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$pia = explode('/', $pi);
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$pia_len = count($pia);
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$i = 1;
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while($i < $pia_len)
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{
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$j = $i+1;
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$j = (isset($pia[$j])) ? $j : $i;
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$_GET[$pia[$i]] = $pia[$j];
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$i = $j + 1;
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};
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//Include the js groups
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$groups = require("./config/js_groups.php");
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$js = '';
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$modified = array();
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if(isset($groups[$_GET['g']]))
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{
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foreach($groups[$_GET['g']] as $file)
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{
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$new_file = realpath($base_path.$file);
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$js .= file_get_contents($new_file);
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$modified[] = filemtime($new_file);
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}
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}
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//Add this page too
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$modified[] = filemtime($base_path."js.php");
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//Get the latest modified date
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rsort($modified);
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$last_modified = $modified[0];
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if(!isset($_GET['debug']))
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{
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$js = JShrink::minify($js, array('flaggedComments' => false));
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}
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$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
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? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
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: time();
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if($last_modified === $requested_time)
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{
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header("HTTP/1.1 304 Not Modified");
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exit();
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}
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header("Content-Type: application/x-javascript; charset=utf8");
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header("Cache-control: public, max-age=691200, must-revalidate");
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header("Last-Modified: ".gmdate('D, d M Y H:i:s', $last_modified)." GMT");
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header("Expires: ".gmdate('D, d M Y H:i:s', (filemtime($base_path.'js.php') + 691200))." GMT");
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echo $js;
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ob_end_flush();
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//end of js.php
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