Check/count if file array is empty in php

Question

$_FILES array:

HTML:

<input type="file" name="smth[]" id="smth1" />
<input type="file" name="smth[]" id="smth1" />
<input type="file" name="smth[]" id="smth1" />

How can i check if file array is empty? (no files selected).

PHP:

if (CHECK) {

...operating with $_FILES...

}

Thank you for your answers.

phihag · Accepted Answer · 2012-04-06 23:39:54Z

up vote 0 down vote accepted

function any_uploaded($name) {
  foreach ($_FILES[$name]['error'] as $ferror) {
    if ($ferror != UPLOAD_ERR_NO_FILE) {
      return true;
    }
  }
  return false;
}

if (any_uploaded('smth')) {
  // ..operating with $_FILES...
}

edited Apr 6 '12 at 23:39

answered Apr 6 '12 at 21:04

phihag
73.9k10100178

Aerik · Answer 2 · 2012-04-06 20:59:06Z

up vote 0 down vote

something like

if(isset($_FILES) && count($_FILES) > 0){
...

?

answered Apr 6 '12 at 20:59

Aerik
1,076313

Yes, something like this, only that doesn't work - $FILES is always set. – phihag Apr 6 '12 at 21:05

mightyuhu · Answer 3 · 2012-04-06 21:00:49Z

Actually you'd need to iterate through your $_FILES and check for UPLOAD_ERR_NO_FILE in the error-key. See http://php.net/manual/en/features.file-upload.errors.php for more.

Apart from that, there are countless ways of checking if an array is empty! i.e. empty() or count()

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Check/count if file array is empty in php

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