How to install extensions in php through pecl?

php method to install extensions through pecl: first install pecl and install php extensions; then query related extensions, the code is [[root@localhost src]# pecl search swoole]; finally install the relevant extensions .

How to install extensions via pecl:

1. Install pecl

cd /usr/local/php/bin/
wget http://pear.php.net/go-pear.phar -O go-pear.php
php go-pear.php
##回车默认安装

2. Install php extension

pecl search key-word    #用于查找扩展
pecl install key-word   #用于安装扩展

3. Query related extensions

[root@localhost src]# pecl search swoole
Retrieving data...0%
Matched packages, channel pecl.php.net:
=======================================
Package Stable/(Latest) Local
swoole  1.8.12 (stable) 1.8.12 Event-driven asynchronous and concurrent networking engine with high performance for PHP.
[root@localhost src]# pecl search xdebug
Retrieving data...0%
Matched packages, channel pecl.php.net:
=======================================
Package Stable/(Latest) Local
xdebug  2.4.1 (stable)        Provides functions for function traces and profiling

4. Install related extensions

pecl install xdebug
##安装完成之后，输出
Build process completed successfully
Installing '/usr/lib64/php/modules/xdebug.so'
install ok: channel://pecl.php.net/xdebug-2.4.1
configuration option "php_ini" is not set to php.ini location
You 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.so
pecl install swoole

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