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PUT-Unterstützung> <Häufige Probleme
Last updated: Fri, 03 Sep 2010

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Upload mehrerer Dateien

Mehrere Dateien können hochgeladen werden, indem Sie verschiedene Namen name für input verwenden.

Es ist ebenfalls möglich, mehrere Dateien simultan hochzuladen, und die Informationen automatisch in Arrays zu erhalten. Um dies zu tun, verwenden Sie in dem HTML Formular die gleiche Array-Sende-Syntax wie bei Auswahllisten mit Mehrfachauswahl und Checkboxen:

Hinweis:

Die Unterstützung für den Upload von mehreren Dateien wurde in PHP 3.0.10 hinzugefügt.

Beispiel #1 Upload mehrerer Dateien

<form action="file-upload.php" method="POST" enctype="multipart/form-data">
  Send these files:<br>
  <input name="userfile[]" type="file"><br>
  <input name="userfile[]" type="file"><br>
  <input type="submit" value="Send files">
</form>

Wenn das obige Formular übermittelt ist, werden die Arrays $_FILES['userfile'], $_FILES['userfile']['name'] und $_FILES['userfile']['size'] initialisiert (wie auch in $HTTP_POST_FILES vor PHP Version 4.1.0.). Ist register_globals aktiviert, werden auch globale Variablen für die hochgeladenen Dateien initialisiert. Jedes von ihnen ist ein numerisch indiziertes Array mit den entsprechenden Werten für die hochgeladenen Dateien.

Nehmen wir zum Beispiel an, dass die Dateinamen /home/test/review.html und /home/test/xwp.out übermittelt wurden. In diesem Fall würde $_FILES['userfile']['name'][0] review.html enthalten, und $_FILES['userfile']['name'][1] hätte den Wert xwp.out. Genauso würde $_FILES['userfile']['size'][0] die Dateigröße von review.html enthalten, usw.

$_FILES['userfile']['name'][0], $_FILES['userfile']['tmp_name'][0], $_FILES['userfile']['size'][0] und $_FILES['userfile']['type'][0] sind ebenfalls gesetzt.



add a note add a note User Contributed Notes
Upload mehrerer Dateien
captlid at yahoo dot com
23-Feb-2007 03:08
I noticed that the manual does not have a basic processing script for testing purposes to process multiple file uploads. It took me about an hour to figure this out so I figured it should help some newbie.

Also on windows, the OS does not care if you use backslashes and front slashes while writing up a directory path. So for compatibility with *nix just keep it as a foward slash.

(Tested with php5, php4, apache 1.3x and 2x, on winxp pro, win2k pro and win98se and freebsd.)

The script is kept simple for illustration purposes. Dont use it in a production environment.

The form

<form method="post" action="" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="500000">
<?
for($i = 1; $i <= $_POST[totalfiles]; $i++) { echo $i.'. <input type="file" name="photos[]"><br>'."\n"; }
?>
<input type="submit" name="sendfiles" value="Send Files"></form>

The processing script, for simplicities sake in the same file.

if ($_POST[sendfiles]) {
print_r($_POST); echo '<pre>'; print_r($_FILES); echo '</pre>';

$uploaddir = getcwd().'/photos/; //a directory inside
foreach ($_FILES[photos][name] as $key => $value) {
$uploadfile = $uploaddir . basename($_FILES[photos][name][$key]);
//echo $uploadfile;
if (move_uploaded_file($_FILES['photos']['tmp_name'][$key], $uploadfile)) { echo $value . ' uploaded<br>'; }
}
}
Bob Doe
08-Aug-2005 11:17
Here is a the simple test form I needed, pieced togther from 2 or 3 posts in the documentation elsewhere.

<html>
<head>
<title>HTML Form for uploading image to server</title>
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<p>Pictures:
<input type="file" name="pictures[]" />
<input type="file" name="pictures[]" />
<input type="file" name="pictures[]" />
<input type="submit" value="Send" />
</p>
</form>
<?php
//places files into same dir as form resides
foreach ($_FILES["pictures"]["error"] as $key => $error) {
   if ($error == UPLOAD_ERR_OK) {
       echo"$error_codes[$error]";
       move_uploaded_file(
         $_FILES["pictures"]["tmp_name"][$key],
         $_FILES["pictures"]["name"][$key]
       ) or die("Problems with upload");
   }
}
?>
</body>
</html>
29-Jul-2005 04:50
re: phpuser's comment

I found that if instead of the form structure at the top of the page use one like this:

<form action="file-upload.php" method="post" enctype="multipart/form-data">
  Send these files:<br />
  <input name="userfile1" type="file" /><br />
  <input name="userfile2" type="file" /><br />
  <input type="submit" value="Send files" />
</form>

Notice the names are unique and not an array element.  Now the array is structured more like phpuser would like. I did this and used...

foreach ($_FILES as $file) { ... }

without issue.
sgoodman_at_nojunk_immunetolerance.org
17-Jun-2005 04:03
Re: phpuser_at_gmail's comment, a simpler way to have create that data structure is to name your HTML file inputs different names. If you want to upload multiple files, use:
<input type=file name=file1>
<input type=file name=file2>
<input type=file name=file3>
etc...
Each field name will be a key in the $_FILES array.
bishop
02-Jun-2005 08:27
Elaboration on phpuser at gmail dot com reArrayFiles() function (which assumed sequential, integer keys and uni-dimensional), this function will work regardless of key and key depth:

<?php
// information grouper
function groupFileInfoByVariable(&$top, $info, $attr) {
    if (is_array($info)) {
        foreach ($info as $var => $val) {
            if (is_array($val)) {
                groupFileInfoByVariable($top[$var], $val, $attr);
            } else {
                $top[$var][$attr] = $val;
            }
        }
    } else {
        $top[$attr] = $info;
    }

    return true;
}

// usage
$newOrdering = array ();
foreach ($_FILES as $var => $info) {
    foreach (array_keys($info) as $attr) {
        groupFileInfoByVariable($newOrdering, $info[$attr], $attr);
    }
}

// $newOrdering holds the updated order
?>
phpuser at gmail dot com
26-May-2005 05:09
When uploading multiple files, the $_FILES variable is created in the form:

Array
(
    [name] => Array
        (
            [0] => foo.txt
            [1] => bar.txt
        )

    [type] => Array
        (
            [0] => text/plain
            [1] => text/plain
        )

    [tmp_name] => Array
        (
            [0] => /tmp/phpYzdqkD
            [1] => /tmp/phpeEwEWG
        )

    [error] => Array
        (
            [0] => 0
            [1] => 0
        )

    [size] => Array
        (
            [0] => 123
            [1] => 456
        )
)

I found it made for a little cleaner code if I had the uploaded files array in the form

Array
(
    [0] => Array
        (
            [name] => foo.txt
            [type] => text/plain
            [tmp_name] => /tmp/phpYzdqkD
            [error] => 0
            [size] => 123
        )

    [1] => Array
        (
            [name] => bar.txt
            [type] => text/plain
            [tmp_name] => /tmp/phpeEwEWG
            [error] => 0
            [size] => 456
        )
)

I wrote a quick function that would convert the $_FILES array to the cleaner (IMHO) array.

<?php

function reArrayFiles(&$file_post) {

    $file_ary = array();
    $file_count = count($file_post['name']);
    $file_keys = array_keys($file_post);

    for ($i=0; $i<$file_count; $i++) {
        foreach ($file_keys as $key) {
            $file_ary[$i][$key] = $file_post[$key][$i];
        }
    }

    return $file_ary;
}

?>

Now I can do the following:

<?php

if ($_FILES['upload']) {
    $file_ary = reArrayFiles($_FILES['ufile']);

    foreach ($file_ary as $file) {
        print 'File Name: ' . $file['name'];
        print 'File Type: ' . $file['type'];
        print 'File Size: ' . $file['size'];
    }
}

?>
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PUT-Unterstützung> <Häufige Probleme
Last updated: Fri, 03 Sep 2010