Blank white screen after installation then Parse error: syntax error, unexpected ''port'' (T_CONSTANT_ENCAPSED_STRING)…

I have installed drupal, and MAMP on my MAC. I had a blank screen visiting http://localhost:8888/drupal-7.5/ Then I wrote a piece of php to force the error: Parse error: syntax error, unexpected ”port” (T_CONSTANT_ENCAPSED_STRING), expecting ‘)’ in /Applications/MAMP/htdocs/drupal-7.5/sites/default/settings.php on line 576 This is what the[…]