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<?php function utils_removeDuplicates($str, $delimiter = ',') { if($str != '') { $str = implode($delimiter,array_unique(preg_split('~,\s*~', $str))); } return $str; } $data = "88, 99, 99,99, 100,1 0 0, 88 "; echo utils_removeDuplicates($data);

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