Witness the difference!
info.php alone:
stranger@host:~/Projects/debug$ time php info.php
[skip]
real 0m0,727s
user 0m0,046s
sys 0m0,092s
through proc.php
stranger@host:~/Projects/debug$ time php proc.php
[skip]
real 0m34,074s
user 0m0,143s
sys 0m0,053s