PHP ʖ²ἯTH º󍋼/A array_flip =ד 1. array_flip() =ד $trans = array_flip ($trans); $original = strtr ($str, $trans); =ד 2. array_flip() =ד£º³卻 $trans = array ("a" = 1, "b" = 1, "c" = 2); $trans = array_flip ($trans); print_r($trans); ϖԚ $trans ±䳉K£º Array ([1] = b [2] = c) º󍋼/A ưµ㼯A array_filter ɏһ¼¶ array_intersect_assoc