"; if($f_word == 'ㄱ') return " substr({$col},{$idx},1) between '가' and '낗'"; else if($f_word == 'ㄴ') return " substr({$col},{$idx},1) between '나' and '닣'"; else if($f_word == 'ㄷ') return " substr({$col},{$idx},1) between '다' and '띻'"; else if($f_word == 'ㄹ') return " substr({$col},{$idx},1) between '라' and '맇'"; else if($f_word == 'ㅁ') return " substr({$col},{$idx},1) between '마' and '밓'"; else if($f_word == 'ㅂ') return " substr({$col},{$idx},1) between '바' and '삫'"; else if($f_word == 'ㅅ') return " substr({$col},{$idx},1) between '사' and '앃'"; else if($f_word == 'ㅇ') return " substr({$col},{$idx},1) between '아' and '잏'"; else if($f_word == 'ㅈ') return " substr({$col},{$idx},1) between '자' and '찧'"; else if($f_word == 'ㅊ') return " substr({$col},{$idx},1) between '차' and '칳'"; else if($f_word == 'ㅋ') return " substr({$col},{$idx},1) between '카' and '킿'"; else if($f_word == 'ㅌ') return " substr({$col},{$idx},1) between '타' and '팋'"; else if($f_word == 'ㅍ') return " substr({$col},{$idx},1) between '파' and '핗'"; else if($f_word == 'ㅎ') return " substr({$col},{$idx},1) between '하' and '힣'"; else return " substr({$col},{$idx},1) = '{$f_word}'"; } function splitCho($term) { $i = 0; $chos = array(); for ($i = 0; $i < mb_strlen($term,"UTF-8"); $i++) { $char = mb_substr($term, $i, 1, 'UTF-8'); array_push($chos, $char); } return $chos; } function getSqlCho($colume, $term) { $sql = ""; $i = 1; foreach (splitCho($term) as $ch) { $sql .= ($i == 1 ? "" : " AND ") . getCho($colume, $i++, $ch); } return $sql; }