<?php function utils_removeDuplicates($str, $delimiter = ',') { if($str != '') { $str = implode($delimiter,array_unique(explode($delimiter, $str))); } return $str; } $data = "88, 99, 99,99, 100"; echo utils_removeDuplicates($data); //$a = preg_split( '/[, ]+/', $data, -1, PREG_SPLIT_NO_EMPTY );
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