XLSXStreamWriter
PHP class library for writing very big amounts of data to XLSX files.
Requirements
PHP 5.3+
License
Copyright 2012 Viacheslav Soroka
XLSXStreamWriter is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
XLSXStreamWriter is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with XLSXStreamWriter. If not, see http://www.gnu.org/licenses/.