Learning PHP and MySQL
Example 11-28 Processing an uploaded file
<?php
$maxsize=28480; //set the max upload size in bytes
if (!$HTTP_POST_VARS['submit']) {
//print_r($HTTP_POST_FILES);
$error=" ";
//this will cause the rest of the processing to be skipped
//and the upload form displays
}
if (!is_uploaded_file($HTTP_POST_FILES['upload_file']['tmp_name']) AND
!isset($error)) {
$error = "<b>You must upload a file!</b><br><br>";
unlink($HTTP_POST_FILES['upload_file']['tmp_name']);
}
if ($HTTP_POST_FILES['upload_file']['size'] > $maxsize AND !isset($error)) {
$error = "<b>Error, file must be less than $maxsize bytes.</b><br><br>";
unlink($HTTP_POST_FILES['upload_file']['tmp_name']);
}
if($HTTP_POST_FILES['upload_file']['type'] != "image/gif" AND
$HTTP_POST_FILES['upload_file']['type'] != "image/pjpeg" AND
$HTTP_POST_FILES['upload_file']['type'] !="image/jpeg" AND !isset($error)) {
$error = "<b>You may only upload .gif or .jpeg files.</b><br><br>";
unlink($HTTP_POST_FILES['upload_file']['tmp_name']);
}
if (!isset($error)) {
copy($HTTP_POST_FILES['upload_file']['tmp_name'],"uploads/".$HTTP_POST_FILES
['upload_file']['name']);
unlink($HTTP_POST_FILES['upload_file']['tmp_name']);
print "Thank you for your upload.";
exit;
}
else
{
echo ("$error");
}
?>
<html>
<head></head>
<body>
<form action="<?=$PHP_SELF?>" method="post" enctype="multipart/form-data">
Choose a file to upload:<br>
<input type="file" name="upload_file" size="80">
<br>
<input type="submit" name="submit" value="submit">
</form>
</body>
</html>
Posted by on 08/19 at 08:49 AM
Yes, you may use $_POST to accomplish the same thing. $_GET can be used to access variables submitted using a GET submission as well.
Posted by on 02/15 at 11:54 PM
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