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<?php $a = '0123456789'; echo 'mb_substr($a, 0, -1)', @mb_substr($a, 0, -1), "\n"; echo 'mb_substr($a, -1)', @mb_substr($a, -1), "\n";
Output for git.master, git.master_jit, rfc.property-hooks
mb_substr($a, 0, -1)012345678 mb_substr($a, -1)9

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