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<?php var_dump(substr('πŸ˜€',0 ,1)); var_dump(mb_substr('πŸ˜€', 0 , 1)); preg_match('/test/', 'πŸ˜€test', $matches, PREG_OFFSET_CAPTURE); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "οΏ½" string(4) "πŸ˜€" array(1) { [0]=> array(2) { [0]=> string(4) "test" [1]=> int(4) } }

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