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<?php $author = 'Shevchuk T.I., Piskun R.P., Vasenko T.B.'; $str_arr1= explode(", ", $author); foreach($str_arr1 as $str_arr) { $initials= preg_split('/([A-Z]\.[A-Z]\.|[A-Z]\.\s+[A-Z]\.|[A-Z][a-z]\.)/', $str_arr, -1, PREG_SPLIT_NO_EMPTY); $surnames= preg_split('/\w{3,15}/', $str_arr, -1, PREG_SPLIT_NO_EMPTY); print_r($initials); print_r($surnames); }
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Shevchuk ) Array ( [0] => T.I. ) Array ( [0] => Piskun ) Array ( [0] => R.P. ) Array ( [0] => Vasenko ) Array ( [0] => T.B. )

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