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at March 25, 2010 08:53 by zitoloco
Initial Code
<?php
# Written by Sean Nall <all.marx {at} gmail>
# and placed into the public domain.
# @function upload_file
#
# @param $field string the name of the file upload form field
# @param $dirPath string the relative path to which to store the file (no trailing slash)
# @param $maxSize int the maximum size of the file
# @param $allowed array an array containing all the "allowed" file mime-types
#
# @return mixed the files' stored path on success, false on failure.
function upload_file($field = '', $dirPath = '', $maxSize = 100000, $allowed = array())
{
foreach ($_FILES[$field] as $key => $val)
$$key = $val;
if ((!is_uploaded_file($tmp_name)) || ($error != 0) || ($size == 0) || ($size > $maxSize))
return false; // file failed basic validation checks
if ((is_array($allowed)) && (!empty($allowed)))
if (!in_array($type, $allowed))
return false; // file is not an allowed type
do $path = $dirPath . DIRECTORY_SEPARATOR . rand(1, 9999) . strtolower(basename($name));
while (file_exists($path));
if (move_uploaded_file($tmp_name, $path))
return $path;
return false;
}
?>
DEMO:
<?php
if (array_key_exists('submit', $_POST)) // form has been submitted
{
if ($filepath = upload_file('music_upload', 'music_files', 700000, array('audio/mpeg','audio/wav')))
echo 'File uploaded to ' . $filepath;
else
echo 'An error occurred uploading the file... please try again.';
}
echo '
<form method="post" action="' .$_SERVER['PHP_SELF']. '" enctype="multipart/form-data">
<input type="file" name="music_upload" id="music_upload" />
<input type="submit" name="submit" value="submit" />
</form>
';
print_r($_FILES); // for debug purposes
?>
Initial URL
Initial Description
Função muito boa criada por Sean Nall.
Initial Title
Upload de arquivo
Initial Tags
file
Initial Language
PHP