安裝環(huán)境
　　在安裝PEAR之前需要配置安裝PHP環(huán)境，如果沒有自帶PEAR

(直接訪問http://go-pear.org并保存其首頁為go-pear.php)

PEAR安裝準(zhǔn)備

　　如果PHP運行環(huán)境沒有自帶PEAR，則需要下載go-pear.php文件，同時保存在php.exe所在的目錄下。

PEAR安裝步驟

1、我這里用的是wamp集成環(huán)境，d:\wamp\bin\php\php5.2.5>go-pear，開始自動安裝。

通過這個PEAR安裝截圖，可以看到首先需要確認(rèn)PEAR的安裝目錄結(jié)構(gòu)，系統(tǒng)通常能自動識別。

2、確認(rèn)好PEAR在Windows下的安裝目錄結(jié)構(gòu)，回車，開始下載和安裝PEAR的默認(rèn)擴展包，你也可以選擇是否同時安裝Pear_Frontend_Web-beta，Pear_Frontend_Gtk2，MDB2擴展包。

3、PEAR默認(rèn)擴展包安裝后，提示是否需要配置php.ini文件中的include_path選項指向pear的安裝目錄，當(dāng)然需要配置，否則無法使用，Y并回車，安裝包會自動修改include_path選項。

PEAR安裝完成，雙擊PEAR_ENV.reg將相關(guān)信息導(dǎo)入注冊表，同時重啟Apache即可。

PEAR的其他安裝方法

　　如果PHP運行環(huán)境自帶PEAR，則可以在PHP目錄下找到PEAR.DAT文件，雙擊這個文件即可進行PEAR安裝，方式應(yīng)該類似上述安裝方式。同時注意修改PHP.INI中的include_path選項即可。

PEAR命令

　　在命令行方式下，運用PEAR的相關(guān)命令可以安裝自己需要的PEAR安裝包。

　　pear help  列出pear的所有命令，類似于pear的命令幫助命令。

　　pear help <command>  列出某個pear命令的具體信息

　　pear help shortcuts  列出所有pear命令的簡寫

　　pear list-all  列出所有可安裝的packages，很多，可以訪問pear擴展包列表找到需要的packages，再使用pear install命令安裝package。

(安裝pear時，可以讓其使用默認(rèn)值，一直回車完。)

　

接著安裝單元測試框架phpunit:

d:\wamp\bin\php\php5.2.5>pear channel-discover pear.phpunit.de
Adding Channel "pear.phpunit.de" succeeded
Discovery of channel "pear.phpunit.de" succeeded

d:\wamp\bin\php\php5.2.5>pear install phpunit/PHPUnit
Did not download optional dependencies: pear/Image_GraphViz, pear/Log, channel:/
/pear.symfony-project.com/YAML, use --alldeps to download automatically
phpunit/PHPUnit requires PEAR Installer (version >= 1.8.1), installed version is
 1.6.1
phpunit/PHPUnit can optionally use package "pear/Image_GraphViz" (version >= 1.2
.1)
phpunit/PHPUnit can optionally use package "pear/Log"
phpunit/PHPUnit can optionally use package "channel://pear.symfony-project.com/Y
AML" (version >= 1.0.2)
phpunit/PHPUnit can optionally use PHP extension "pdo_sqlite"
phpunit/PHPUnit can optionally use PHP extension "soap"
phpunit/PHPUnit can optionally use PHP extension "xdebug" (version >= 2.0.5)
No valid packages found
install failed
(安裝phpunit失敗，此時通過pear upgrade pear更新pear后繼續(xù)安裝)

d:\wamp\bin\php\php5.2.5>pear upgrade pear
downloading PEAR-1.9.0.tgz ...
Starting to download PEAR-1.9.0.tgz (291,634 bytes)
......

d:\wamp\bin\php\php5.2.5>pear info pear
ABOUT PEAR.PHP.NET/PEAR-1.9.0
......

d:\wamp\bin\php\php5.2.5>pear channel-discover pear.phpunit.de
Channel "pear.phpunit.de" is already initialized

d:\wamp\bin\php\php5.2.5>pear install phpunit/PHPUnit
Unknown remote channel: pear.symfony-project.com
Did not download optional dependencies: pear/Image_GraphViz, pear/Log, channel:/
/pear.symfony-project.com/YAML, use --alldeps to download automatically
phpunit/PHPUnit can optionally use package "pear/Image_GraphViz" (version >= 1.2
.1)
phpunit/PHPUnit can optionally use package "pear/Log"
phpunit/PHPUnit can optionally use package "channel://pear.symfony-project.com/Y
AML" (version >= 1.0.2)
phpunit/PHPUnit can optionally use PHP extension "pdo_sqlite"
phpunit/PHPUnit can optionally use PHP extension "soap"
phpunit/PHPUnit can optionally use PHP extension "xdebug" (version >= 2.0.5)
downloading PHPUnit-3.4.13.tgz ...
Starting to download PHPUnit-3.4.13.tgz (254,903 bytes)
.....................................................done: 254,903 bytes
install ok: channel://pear.phpunit.de/PHPUnit-3.4.13

phpunit安裝完畢，可輸入phpunit測試

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