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請教一下,關(guān)于JSON格式內(nèi)容更新的寫法:
$data ['devices']內(nèi)容為JSON格式,其中鍵名為abcd對應(yīng)的鍵值為空時,如何把"456789"寫入為鍵名abcd的鍵值?
下面的代碼要如何寫?
$data ['devices']['abcd'] ="456789";
$this->db->table('member')->where('id', $uid)->update(['devices' => $data]);
$data ['devices']['abcd'] ="456789";
$this->db->table('member')->where('id', $uid)->update(['devices' => json_encode($data['devices'])]);
入庫需要轉(zhuǎn)換josn到字符串