Hi all,
I just coded a cache mechanism for some slow code that looks like this:
$cache_file_name = "cache/$id/$tid". ($showall ? '_all.php' :
'.php');
$cache_dir_name= "cache/$id";
if(!file_exists($cache_file_name) ||
@filectime($cache_file_name) + 30 < time() ) {
if(!is_dir($cache_dir_name)) {
mkdir($cache_dir_name, 0777);
}
$lock=@fopen($cache_file_name . '.lock','w');
if(flock($lock,LOCK_EX)) {
include('modules/rally_live/create_cache.php');
flock($lock,LOCK_UN);
}
fclose($lock);
}
clearstatcache();
for($i=0;!file_exists($cache_file_name);$i++) {
if($i==3) die('<b>Cannot read cache file!</b>');
clearstatcache();
}
include($cache_file_name); // *sometimes includes empty file*
echo "<!-- File $cache_file_name included -->";
The 'create_cache.php' creates a php code, that later needs to be
executed. The problem is, the just created cache file seems to be empty
*sometimes* when included, however, if I look at it, it does contain
code. I do call fflush($cache_file) before closing it, so I don't see
why the file is empty.
If anyone can help me, I would be really glad.
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