array(4) {
[0] => array(1) {
["cate_id"] => string(2) "11"
}
[1] => array(1) {
["cate_id"] => string(2) "12"
}
[2] => array(1) {
["cate_id"] => string(2) "13"
}
[3] => array(1) {
["cate_id"] => string(2) "14"
}
}

请教一个问题，怎么把上面的查询结果转换成类似的查询条件：array('in','11,12,13,14');