Installing XDebug with Mac OS X MAMP: disable PHP Zend Optimizer

Added Xdebug
Inspired to finally install by Visual Backtrace.

MAMP and XDebug:
http://www.openkomodo.com/blogs/jeffg/php-leopard-or-how-use-mamp-instead
more in depth:

http://phplens.com/phpeverywhere/node/view/52

phpeclipse xdebug
http://plog4u.org/index.php/Using_PHPEclipse_:Installation:_Installing_the_XDebug_Debugger

http://git.or.cz/gitwiki/EclipsePlugin
http://repo.or.cz/w/egit.git

The guide:
http://www.thinkingphp.org/2007/09/21/setting-up-xdebug-on-mac-os-x-or-win32-linux/

That killed MAMP overall:

Ebony-II:logs ben$ tail -f apache_error_log

[19-Mar-2008 18:30:47] PHP Fatal error: [Zend Optimizer] Zend Optimizer 3.2.2 is incompatible with Xdebug 2.1.0-dev in Unknown on line 0

^C

Asked at a Drupal meetup, since I was there. Moshe said: don't use Zend optimizer.

After getting rid of (commenting out) the three lines about Zend optimizer in php.ini, it failed a couple times but then started working. Beats me. Here's the output. But the main thing: it did work after another restart or two.

Ebony-II:logs ben$ tail -f apache_error_log

[Tue Mar 11 11:13:25 2008] [error] child process 982 still did not exit, sending a SIGKILL
[Tue Mar 11 11:13:25 2008] [error] child process 983 still did not exit, sending a SIGKILL
[Tue Mar 11 11:13:25 2008] [error] child process 984 still did not exit, sending a SIGKILL
[Tue Mar 11 11:13:25 2008] [error] child process 995 still did not exit, sending a SIGKILL
[Tue Mar 11 11:13:25 2008] [error] child process 1006 still did not exit, sending a SIGKILL
[Tue Mar 11 11:13:26 2008] [notice] caught SIGTERM, shutting down
[Wed Mar 19 19:10:15 2008] [notice] Digest: generating secret for digest authentication ...
[Wed Mar 19 19:10:15 2008] [notice] Digest: done
[Wed Mar 19 19:10:15 2008] [notice] Apache/2.0.59 (Unix) PHP/5.2.5 DAV/2 configured -- resuming normal operations
[Wed Mar 19 19:10:23 2008] [notice] caught SIGTERM, shutting down
[Wed Mar 19 19:59:07 2008] [notice] Digest: generating secret for digest authentication ...
[Wed Mar 19 19:59:07 2008] [notice] Digest: done
[Wed Mar 19 19:59:07 2008] [notice] Apache/2.0.59 (Unix) PHP/5.2.5 DAV/2 configured -- resuming normal operations

Resolution