composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！
1、composer self-update 出现 [ErrorException] zlib_decode(): data error提示
2、编辑php.ini中zlib.output_compression = On、zlib.output_compression_level = 5
![composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！](http://www.shuijingwanwq.com/wp-content/uploads/2015/06/14.png "composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！")
![composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！](http://www.shuijingwanwq.com/wp-content/uploads/2015/06/25.png "composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！")
3、查看phpinfo中zlib相关信息如下：
![composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！](http://www.shuijingwanwq.com/wp-content/uploads/2015/06/34.png "composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！")
4、composer self-update执行成功
![composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！](http://www.shuijingwanwq.com/wp-content/uploads/2015/06/43.png "composer self-update 出现 [ErrorException] zlib_decode(): data error提示的解决！")