载 PHP的gRPC扩展和protobuf扩展
PHP的gRPC扩展：http://pecl.php.net/package/gRPC PHP的protobuf扩展： http://pecl.php.net/package/protobuf
wget http://pecl.php.net/get/grpc-1.20.0.tgz wget http://pecl.php.net/get/protobuf-3.7.1.tgz安装gRPC扩展
tar -xzvf grpc-1.20.0.tgz cd grpc-1.20.0 /usr/local/php73/bin/phpize ./configure --with-php-config=/usr/local/php73/bin/php-config make && make install安装protobuf扩展
tar -xzvf protobuf-3.7.1.tgz cd protobuf-3.7.1 /usr/local/php73/bin/phpize ./configure --with-php-config=/usr/local/php73/bin/php-config make && make install