从多维数组内爆数据
Array( [0] => Array ( [blogTags_id] => 1 [tag_name] => google [inserted_on] => 2013-05-22 09:51:34 [inserted_by] => 2 ) [1] => Array ( [blogTags_id] => 2 [tag_name] => technology [inserted_on] => 2013-05-22 09:51:34 [inserted_by] => 2 ))
implode()
tag_name
google, technology
神不在的星期二
萧十郎