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<?php $foo = null; print('language-prof-' . $foo ?: 'language'); $foo = 'foo'; print('language-prof-' . $foo ?: 'language'); $foo = null; print('language-prof-' . ($foo ?: 'language'));
Output for git.master, git.master_jit, rfc.property-hooks
language-prof-language-prof-foolanguage-prof-language

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