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I've got this nice script with a lot of help working:

   if (isset($_POST['talente'])) { // array(2) { [0]=> string(1) "2" [1]=> string(1) "3" } 

    $talente = $_POST['talente']; 

    $myFile = fopen("talente.csv", "r"); // e.f.: name;1;-;stuff
    $csv = [];
    while ($data = fgetcsv($myFile, 1000, ";")) {
        $csv[] = $data;
    }
    fclose($myFile);

    $i = 0;
    $talentline = array_filter($csv, function($i) use ($talente) {
        return in_array($i, $talente--);
    }, ARRAY_FILTER_USE_KEY);

    $talentline = array_filter($talentline);
    $talentline = array_values($talentline);

}

$talentline[0][0] = isset($talentline[0][0]) ? $talentline[0][0] : ""; 
...

This works very well on my PC in localhost. But after uploading it on my host nothing happened. After printing and dumping a while I noticed, that every variable has the expected value/s but $talentline. When I set var_dump around it, it gives me a multi-dimensional array back as I expect it on PC. But on my Hoster only NULL. I couldn't find out why.

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  • If it works on one but not another, then check for errors php.net/manual/en/function.error-reporting.php then come back and add the error(s) in your question, should there be any. Could also be a permissions issue, PHP version, who knows. Commented Aug 28, 2016 at 16:57
  • Is $talente an array? If not, looks like it's an integer. php.net/in_array I don't see how your code would ever work. Commented Aug 28, 2016 at 16:58
  • No errors, not a single one. Yes, $talente is an array and as I wrote, it works on my personal localhost. Commented Aug 28, 2016 at 17:01
  • Then why do you try to decrement $talente -> return in_array($i, $talente--); Commented Aug 28, 2016 at 17:03
  • 2
    Have both envs local and remote got the same php version? Commented Aug 28, 2016 at 17:05
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