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<?php var_dump(mb_split(" ", "split string with invalid utf-8 \xa0\xa1")); var_dump(mb_split("\xa0\xa1", "split string with invalid utf-8"));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) Warning: mb_split(): Pattern is not valid under UTF-8 encoding in /in/dN6pD on line 4 bool(false)

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