function wp_get_files_in_directory($directory, $sortby = 'name', $sortdir = 'asc', $file_types = '')
{
$filelist = array();
$handle = opendir($directory);
$i = 0;
while (false !== ($file = readdir($handle))) {
$extension = strrchr(strtolower($file), '.');
if (is_file($directory . $file) && $file != "." && $file != ".." && !strstr($file, '.TEMP')) {
if (!empty($file_types)) {
if (!wp_extension_ok($extension, $file_types)) {
continue;
}
}
$file_info = wp_get_fileinfo($extension);
$filelist[$i]['name'] = $file;
$filelist[$i]['icon'] = $file_info['icon'];
$filelist[$i]['type'] = $file_info['description'];
$filelist[$i]['preview'] = $file_info['preview'];
$i++;
}
}
closedir($handle);
// do sorting...
if ($sortby != 'name' && $sortby != 'type') {
$sortby = 'name';
}
if (strtolower($sortdir) == 'asc') {
$sortflag = SORT_ASC;
} else {
$sortflag = SORT_DESC;
}
$filelist = wp_array_csort($filelist, $sortby, $sortflag);
return $filelist;
}
if (is_uploaded_file($_FILES['document_field']['tmp_name'])) {
$extension = strrchr(strtolower($_FILES['document_field']['name']), '.');
//exit ($_FILES['document_field']['tmp_name']);
// check filetype against accepted files
if (!wp_extension_ok($extension, $document_types)) {
document_exit('<p> </p>
<div class="helpMessage">
<form>
<p> ' . wp_var_replace($lang['bad_filetype'], array('filetypes' => $document_types)) . ' </p>
<input class="button" type="button" name="Continue" value="' . $lang['ok'] . '" onClick="document.location.replace(\'' . WP_WEB_DIRECTORY . 'document.php' . $query_string . '\')">
</form>
</div>');
break;
}
// check if there is an icon for this filetype and whether we can safely show a preview of it.
$file_info = wp_get_fileinfo($extension);
$icon = $file_info['icon'];
$filetype = $file_info['description'];
$preview = $file_info['preview'];
if ($_FILES['document_field']['size'] >= $max_documentfile_size) {
document_exit('<p> </p>
<div class="helpMessage">
<form>
<p> ' . wp_var_replace($lang['file_too_large'], array('max_size' => $max_documentfile_size / 1000)) . ' </p>
<input class="button" type="button" name="Continue" value="' . $lang['ok'] . '" onClick="document.location.replace(\'' . WP_WEB_DIRECTORY . 'document.php' . $query_string . '\')">
</form>
</div>');
} else {
$name = $_FILES['document_field']['name'];
// somepeople like to spit out an error if file have bad characters, I prefer to quetly rename their file.
$name = str_replace(array('/', '\\', '?', '&', '%', '#', '~', ':', '<', '>', '*', '+', '@', '"', "'", '|', "\r", "\n", "\t"), '', $name);
