PhpDocumentor Install Memory Error

Run the following command to install PhpDocumentor:

   peardev install --alldeps PhpDocumentor

Note that you must use 'peardev' instead of 'pear'. If you try to use 'pear' you will get a memory error:

   PHP Fatal error:  Allowed memory size of 8388608 bytes exhausted...

The 'peardev' command is for for memory-intensive operations.