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I've upgrade my WAMP(Windows+Apache+MySQL+PHP) to lastest versions, but Apache crashes more often then it used to be due to incorrect configuring PHP.

Now I've finially got a stably working development environment. And here is some notes:

1. go-pear.bat dose not work.

   When initializing as usual using go-pear.bat command, I got an error message:

   1. phar "E:\HTTPD\php-5.3.0-Win32-VC9-x86\PEAR\go-pear.phar" does not have a signature
   2. PHP Warning:  require_once(phar://go-pear.phar/index.php): failed to open stream: phar error: invalid url or non-existent phar "phar://go-pear.phar/index.php" in E:\HTTPD\php-5.3.0-Win32-VC9-x86\PEAR\go-pear.phar on line 1236

   So, go-pear.bar did not work for me, but:

   1. php -dphar.require_hash=0 PEAR\go-pear.phar
   is all right.

2. Xdebug makes Apache crashes everytime.

   As I said, I've upgraded all components to it's lastest version: Apache, version 2.2.13 form offical site, PHP, version VC9 x86 Thread Safe, MySQL, version 5.1.38-community.

   Following Xdebug manual, I have to download the one matches the PHP version I'm using. So, I downloaded Xdebug 2.0.5 5.3 VC9 (32 bit), made modification to php.ini to enable Xdebug, and restart Apache.

   From now on, Apache crashed everytime I call phpinof() function. I've tried some solution from Google ,but none of them works. Though, one page remains me of the version of PHP. And I found this on PHP for Windows download page:

   Which version do I choose?

   If you are using PHP with Apache 1 or Apache2 from apache.org you need to use the VC6 versions of PHP

   If you are using PHP with IIS you should use the VC9 versions of PHP

   Change my PHP from VC6 to VC9, re-configure all settings and download Xdebug 2.0.5 5.3 VC96(32 bit), it works!

3. Can't make new folder when installing PEAR.

   After solve problems above, I came to a new one, When installing PEAR, ater set the dirs, PHP began to download and install PEAR components, installation programe breaks and shows:

   1. PHP Warning:  mkdir(): No such file or directory in phar://E:/HTTPD/php-5.3.0-Win32-VC6-x86/PEAR/go-pear.phar/System.php on line 277
   2. Warning: mkdir(): No such file or directory in phar://E:/HTTPD/php-5.3.0-Win32-VC6-x86/PEAR/go-pear.phar/System.php on line 277
   3. Unable to create Temporary directory for processing E:\HTTPD\php\PEAR\tmp.
   4. Run this script as administrator or pick another location.

   I'm sure nothing is wrong about dir premission. Solved this problem, I'm also sure that few people may face this, because it is due to the immature hardlink mechanism on Windows Server 2008.

   I made hardlink named php to folder php-5.3.0-Win32-VC6-x86 and I was running the programe in php folder. After I change my current folder to php-5.3.0-Win32-VC6-x86, it goes well.

   Conclusion: harklink on Windows is still a load of crap.

开发环境：

• Slackware Linux 12.0
• Apache httpd-2.2.6
• PHP 5.2.5
• PEAR 1.6.2

根据官方文档，用 PEAR 安装 Symfony的命令如下：

但是运行 channel-discover 的时候报错：Discovery of channel "pear.symfony-project.com" failed。

原因：PEAR 本身的 bug，不支持 channel 的 url 中包含 - 字符。

解决方法：用命令 pear upgrade -f PEAR-1.4.6 把 PEAR 降级到 1.4.6 版，然后正常安装，再用命令 pear upgrade-all 升级 PEAR。

或者应用 PEAR 的 Bug #6960 补丁修补这个 Bug。此方法见参考链接 2。

参考链接：

1. symfony framework forum: Installation and setup => [resolved]Discovery of channel failed
2. PEAR :: Bug #6960 :: channels are not allowed to have "-" in their name