Как заставить mamp показывать ошибки на линиях, как в денвере?

Проблему решал так:

Find your ‘MAMP’ directory in ‘Applications’
Find ‘conf’ and open it up..
Open up php4 or php5 (depending on your enabled version)
Line 270 should be something like this:
error_reporting = E_ALL

Line 277 will be:
display_errors = Off

Change this to:
display_errors = On

Restart servers