源碼包安裝php Unicode 庫ICU

到官網 http://site.icu-project.org/download 復制和你環境對應的icu源碼包地址

mkdir ~/icu
cd ~/icu
wget http://download.icu-project.org/files/icu4c/52.1/icu4c-52_1-src.tgz
tar xf icu4c-52_1-src.tgz
cd icu/source
mkdir /usr/local/icu
./configure --prefix=/usr/local/icu
make && make install