array(12) {
["ptid"] => int(626)
["name"] => string(30) "生物人教版七年级上册"
["studysection"] => int(204)
["subject"] => int(37)
["grade"] => int(135)
["edition"] => int(23)
["volume"] => int(213)
["scheme"] => int(209)
["sort"] => int(101)
["status"] => int(2)
["zzstep_pt_rel"] => int(1804)
["id"] => int(626)
}