$file = 'http://pear.php.net/go-pear.phar';

$file2 = 'f:\go-pear.phar';

// Open the file to get existing content

$current = file_get_contents($file);

// Write the contents back to the file
将go-pear.phar复制到php.exe同目录下，cd进入该目录，执行php -d phar.require_hash=0 go-pear.phar命令，选择local，一路enter，完成后，该目录下会出现pear有关的目录和bat文件。

Pear install phpDocumentor

phpdoc -d "f:\phpdoc\1" -t  "f:\phpdoc\doc"  -o "HTML:frames:phpedit"