You probably need to include short tags, which are the ini settings as you expected.
It should be noted that short tags are seen as a bad idea (including me). I know that they are convenient and thus seductive, but this question illustrates the reason why you DO NOT use them - what if you move your code and CANNOT turn them on (for any reason)? Most portable code does not use short tags. If you need to enable them in order to do the old code, do what you need to do. If you are creating a server to launch a new project, leave it turned off!
Docs: http://www.php.net/manual/en/ini.core.php#ini.short-open-tag
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