WordPress图片中文命名乱码问题解决办法

// Move the file to the uploads dir
$new_file = $uploads['path'] . "/$filename";
if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) )
        return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ) );

// Move the file to the uploads dir
$new_file = $uploads['path'] . "/".date_i18n("YmdHis").floor(microtime()*1000).".".$ext;
if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) )
        return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ) );

function upload_file($filename) {
$parts = explode('.', $filename);
$filename = array_shift($parts);
$extension = array_pop($parts);
foreach ( (array) $parts as $part)
$filename .= '.' . $part;
if(preg_match('/[一-?]/u', $filename)){
$filename = md5($filename);
}
$filename .= '.' . $extension;
return $filename ;
}
add_filter('sanitize_file_name', 'upload_file', 5,1);