1 <?php

2 $start_time = microtime(true);

3

4 $cache_fn = "__cache__.html";

5 $cache_life = "1200";

6

7 $cache_mtime = "0";

8 if (file_exists($cache_fn) && filesize($cache_fn) > 0)

9 $cache_mtime = filemtime($cache_fn);

10

11 $newbody = '';

12

13 if ((time() - $cache_mtime >= $cache_life)) {

14 $newbody = shell_exec('./myrss_update.sh');

15 file_put_contents($cache_fn, $newbody);

16 } else {

17 $newbody = file_get_contents($cache_fn);

18 }

19

20 $end_time = microtime(true);

21 $elapsed_time = $end_time - $start_time;

22

23 $newbody = preg_replace("/<\/BODY>/", "<DIV class=\"debug\">Time elapsed: " . sprintf("%.3f", $elapsed_time) . " seconds.</DIV>\n</BODY>", $newbody);

24 echo $newbody;

25 ?>