5 public static function has($table, $column = '', $value = '') {
7 $sql = "select * from `" . $table . "` where `" . $column . "` = '" . $value . "'";
9 $sql = "show columns from `" . $table . "` like '" . $column . "'";
11 $sql = "show tables like `" . $table . "`";
13 return Db
::query($sql)->rowCount() > 0;