PECL官网
http://pecl.php.net/package-stats.php
如果无法访问pecl官网，可通过下面链接下载源码扩展包
https://github.com/wang-xuemin/pecl
amqp扩展依赖rabbitmq-c，需要先安装rabbitmq-c
MacOS安装
brew install rabbitmq-c
CentOS
yum install rabbitmq-c
Debian
apt install rabbitmq-c
FreeBSD
pkg install rabbitmq-c
rdkafka扩展依赖librdkafka，需要先安装librdkafka
MacOS安装
brew install librdkafka
CentOS
yum install librdkafka
Debian
apt install librdkafka
FreeBSD
pkg install librdkafka
memcached扩展依赖libmemcached，需要先安装libmemcached
MacOS安装
brew install libmemcached
CentOS
yum install libmemcached
Debian
apt install libmemcached
FreeBSD
pkg install libmemcached
PECL安装工具，命令行安装扩展
pecl install <packname>
pecl install redis
PECL源码安装扩展
php version >= 7.0 && version <= 7.999
1、解压扩展包
2、扩展php扩展模块，来生成编译检测脚本
phpize
3、执行configure，编译配置检测
./configure
4、执行make安装，编译并安装
make && make install
生产环境不建议开启xdebug，消耗性能
php.ini添加对应扩展
[yaf]
yaf.environ = product
yaf.library = NULL
yaf.cache_config = 0
yaf.name_suffix = 1
yaf.name_separator = ""
yaf.forward_limit = 5
yaf.use_namespace = 0
yaf.use_spl_autoload = 0
extension=yaf.so
[swoole]
extension=swoole.so
[rdkafka]
extension=rdkafka.so
[redis]
extension=redis.so
[memcached]
extension=memcached.so
[amqp]
extension=amqp.so
[mongodb]
extension=mongodb.so
[xdebug]
zend_extension=xdebug.so
xdebug.var_display_max_children = 10240
xdebug.var_display_max_data = 10240
xdebug.var_display_max_depth = 10240
;xdebug.auto_trace = on
;xdebug.collect_params = on
;xdebug.collect_return = on
;xdebug.trace_output_dir = "/Users/wangxuemin/nginx/xdebug"
;xdebug.remote_enable = on
;xdebug.profiler_enable = on
;xdebug.profiler_enable_trigger = on
;xdebug.profiler_output_name = cachegrind.out.%t.%p
;xdebug.profiler_output_dir = "/Users/wangxuemin/nginx/xdebug"
[apcu]
extension="apcu.so"
apc.enable_cli=1
