我從 steam 獲取數據,這就是我得到的輸出{"success":true,"lowest_price":"$0.82","volume":"17,485","median_price":"$0.82"}所以我想將數據存入mysql數據庫,并且使用lowest_price和medain_price我可以這樣做$filename_median_price = "https://steamcommunity.com/market/priceoverview/?appid=730¤cy=1&market_hash_name=Operation%20Breakout%20Weapon%20Case"; $data_median_price = file_get_contents($filename_median_price); $array_median_price = json_decode($data_median_price, true); $median_price1 = $array_median_price["median_price"]; $median_price = strtr("$median_price1","$"," ");然后更新到數據庫中。但對于卷,我不能,因為有一個逗號而不是點,并且在數據庫中它只將我更新為 17 而不是 17485。那么我如何刪除逗號以便我可以正確更新數據。
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