Question

I was using this readdir to find a file in a folder

$handler = opendir($folder);

while ($file = readdir($handler)) {

  if ($file != "." && $file != ".." && substr($file,0,7) == '98888000') {
    print $file. "<br />";
  }

}

but since I have tons of files in the folder it takes some minutes to complete the request: how can I fast it up?
Consider I’m on PHP5 + IIS.

I’ve tried even glob()

foreach (glob($folder.98888000."*.pdf") as $filename) {
    echo "$filename size " . filesize($filename) . "\n";
}

but it returned nothing.

Answer 1

What about glob maybe? It finds files matching a pattern:

glob('98888000*')

might work.

If you need opendir and readdir, then you might want to have a look at fnmatch.