Win版5.2でpearのパッケージマネージャをインストールしようとgo-pear.batを実行したところ下記のエラーが出ました
対処法を伝授下さい。

Are you installing a system-wide PEAR or a local copy?
(system|local) [system] :  ここでEnter

Below is a suggested file layout for your new PEAR installation. To
change individual locations, type the number in front of the
directory. Type 'all' to change all of them or simply press Enter to
accept these locations.

1. Installation base ($prefix) : C:\php
2. Binaries directory : C:\php
3. PHP code directory ($php_dir) : C:\php\pear
4. Documentation directory : C:\php\pear\docs
5. Data directory : C:\php\pear\data
6. Tests directory : C:\php\pear\tests
7. Name of configuration file : C:\WINNT\pear.ini
8. Path to CLI php.exe : C:\php\.

1-8, 'all' or Enter to continue:    ここでEnter
Beginning install...
Configuration written to C:\WINNT\pear.ini...
Initialized registry...

Warning: Cannot use a scalar value as an array in phar://go-pear.phar/PEAR/Command.php on line 268

Warning: Cannot use a scalar value as an array in phar://go-pear.phar/PEAR/Command.php on line 268

Warning: Cannot use a scalar value as an array in phar://go-pear.phar/PEAR/Command.php on line 268