I am getting this error while i try to install phpunit in xampp.
C:\xampp\php>pear install --alldeps phpunit/PHPUnit
Attempting to discover channel "phpunit"...
Attempting fallback to https instead of http on channel "phpunit"...
unknown channel "phpunit" in "phpunit/PHPUnit"
invalid package name/package file "phpunit/PHPUnit"
install failed