php通过pecl方式安装扩展的方法：首先安装pecl，并安装php扩展；然后查询相关扩展，代码为【[root@localhost src]# pecl search swoole】；最后安装相关扩展即可。
php通过pecl方式安装扩展的方法：
1、安装pecl
cd /usr/local/php/bin/wget http://pear.php.net/go-pear.phar -O go-pear.phpphp go-pear.php##回车默认安装
2、安装php扩展
pecl search key-word #用于查找扩展pecl install key-word #用于安装扩展
3、查询相关扩展
[root@localhost src]# pecl search swooleRetrieving data...0%Matched packages, channel pecl.php.net:=======================================Package Stable/(Latest) Localswoole 1.8.12 (stable) 1.8.12 Event-driven asynchronous and concurrent networking engine with high performance for PHP.[root@localhost src]# pecl search xdebugRetrieving data...0%Matched packages, channel pecl.php.net:=======================================Package Stable/(Latest) Localxdebug 2.4.1 (stable) Provides functions for function traces and profiling
4、安装相关扩展
pecl install xdebug##安装完成之后，输出Build process completed successfullyInstalling '/usr/lib64/php/modules/xdebug.so'install ok: channel://pecl.php.net/xdebug-2.4.1configuration option "php_ini" is not set to php.ini locationYou should add "zend_extension=/usr/lib64/php/modules/xdebug.so" to php.ini##根据提示，我们在php.ini的最后添加zend_extension=/usr/lib64/php/modules/xdebug.sopecl install swoole
