安装msgpack

1.提示：Fatal error: Call to undefined function msgpack_pack() 解决办法：需要参考http://msgpack.org/这里安装msgpack 执行pecl install msgpack 提示错误： Failed to download pecl/msgpack within preferred state "stable", latest release is version 0.5.5, stability "beta", use "channel://pecl.php.net/msgpack-0.5.5" to install install failed 解决步骤： sudo pecl install channel://pecl.php.net/msgpack-0.5.5 看到这个提示 You should add "extension=msgpack.so" to php.ini 说明安装正确，在php.ini增加 extension = "msgpack.so"