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With PHP 5 I would like to upload an XML file via a web form and parse it using SimpleXML.
I've tried few SimpleXML examples and they work fine at my CentOS 6 Linux server.
However, I don't have any experience with handling uploaded files in PHP yet.
Should I use the $_FILES and do I always have to use a temporary file or can it be done completely in memory?
From PHP Cookbook I've copied this example:
<html>
<body>
<?php if ($_SERVER['REQUEST_METHOD'] == 'GET') { ?>
<form method="post" action="<?php echo $_SERVER['SCRIPT_NAME'] ?>"
enctype="multipart/form-data">
<input type="file" name="doc"/>
<input type="submit" value="Send File"/>
</form>
<?php } else {
if (isset($_FILES['doc']) &&
($_FILES['doc']['error'] == UPLOAD_ERR_OK)) {
$oldPath = $_FILES['doc']['tmp_name'];
$newPath = '/tmp/' . basename($_FILES['doc']['name']);
if (move_uploaded_file($oldPath, $newPath)) {
print "File moved from $oldPath to $newPath";
} else {
print "Couldn't move $oldPath to $newPath";
}
} else {
print "No valid file uploaded.";
}
}
?>
</body>
</html>
It works fine and for the print_r statement added by me the following output is printed:
Array
(
[document] => Array
(
[name] => my_file.xml
[type] => text/xml
[tmp_name] => /tmp/phpRD9cYI
[error] => 0
[size] => 1610252
)
)
And I can see the /tmp/my_file.xml file.
My question is though if I can skip the creation of temporary files?
I don't like them because:
UPDATE: Also, I don't understand, why can't I read the file at $oldPath? It is not found there and I have to call the move_uploaded_file() and then read the $newPath...
288
You don't need to save/move the file in a new folder,
if (isset($_FILES['doc']) && ($_FILES['doc']['error'] == UPLOAD_ERR_OK)) {
$xml = simplexml_load_file($_FILES['doc']['tmp_name']);
}
The tempfile generated will be automatically removed when the PHP script finishes. Hope this helps.
126
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