sudo apt-get update
apt-get install php-soap
php-config --configure-options --enable-soap
php -i | grep extension_dir

extension='/usr/lib/php/modules/soap.so'

yum install bz2 bz2-devel

./configure --with-php-config=/usr/local/php5/bin/php-config

make

make test

make install

vim /etc/php.ini ##加入extension=bz2.so