I have a page called index_php where user can log in and moves to next page .where the next page contains log out button.if i click log out button . it will move to logout_php where it will destroy session and moves to index_php. so on click browsers back button then the page should reload .
您的问题有点难以解析,但我认为您正在寻找Post/Redirect/Get模式。
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