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<?php echo preg_replace('/[^a-z0-9]+/u','-',preg_replace('/[\x{0300}-\x{036F}\x{1AB0}-\x{1AFF}\x{1DC0}-\x{1DFF}\x{20D0}-\x{20FF}\x{FE20}-\x{FE2F}]+/u','',mb_tolower(mb_toupper(Normalizer::normalize("eradasdşğüğşşç.öç",Normalizer::FORM_KD)))));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function mb_tolower() in /in/264aI:2 Stack trace: #0 {main} thrown in /in/264aI on line 2
Process exited with code 255.

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