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<?php $string = "this is my my word with new word"; //echo count(str_word_count($string)); echo unique_word_count($string); function unique_word_count($string) { //$string = explode(' ', strtolower($string)); //$string = str_word_count($string, 1); $string = preg_split('\s', strtolower($string)); $words = array_unique($string); return count($words); }

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