pear 是php 文档管理工具
在命令行里输入这些就可以安装pear。
sudo php /usr/lib/php/install-pear-nozlib.phar
sudo pear config-set php_ini /private/etc/php.ini
sudo pecl config-set php_ini /private/etc/php.ini
sudo pear upgrade-all
----安装完成
测试安装：
sudo pear version
PEAR Version: 1.9.4
PHP Version: 5.3.15
Zend Engine Version: 2.3.0
Running on: Darwin oumatoMacBook-Pro.local 12.2.0 Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-
2050.18.24~1/RELEASE_X86_64 x86_64
