token in code field in Display suite

Hi all,

I need to change the title of a node depending on the value of the field
field_project_type. I created a "PHP code" code field in display suite
and added the following code:

<?php if ([node:field_project_type] == 'Project') { ?>
Project [node:title]
<?php } else { ?>
[node:title]
<?php } ?>

However, I get the following error:

Parse error: syntax error, unexpected ':', expecting ']' in
/var/www/wallfish/modules/php/php.module(80) : eval()'d code on line 1

What am I doing wrong?
I can't find any correct way to get the value of that field through a token.

Thanks.

Bert
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