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Simple download page with cache

/ Published in: PHP
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  1. function download($url, $cache_time=0)
  2. {
  3. 	$cache_file = sys_get_temp_dir(). '/'. sha1($url);
  4.  
  5. 	if (file_exists($cache_file) && (time() - @filemtime($cache_file) < $cache_time))
  6. 	{
  7. 		$file = file_get_contents($cache_file);
  8. 	} else {
  9. 		$file = file_get_contents($url);
  10. 		file_put_contents($cache_file, $file);
  11. 	}
  12.  
  13. 	return $file;
  14. }

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