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                [TOC] ## 概述 - `php://memory`和`php://temp`是一個類似文件 包裝器的數據流,允許讀寫臨時數據 - `php://memory` 總是把數據儲存在內存中,而 `php://temp` 會在內存量達到預定義的限制后(默認是 2MB)存入臨時文件中 - `php://temp` 的內存限制可通過添加 `/maxmemory:NN` 來控制,NN 是以字節為單位 - 一次性的,關閉后,數據丟失 ## 實例 ### hello world ``` $fp = fopen("php://memory", 'wb+'); for ($i=0; $i <200; $i++) { fwrite($fp,$i); } rewind($fp); while (!feof($fp)){ echo fread($fp,100); } fclose($fp); ``` ### 設置 temp 的大小 ``` $fp = fopen("php://temp/maxmemory:1000000", 'wb+'); ```
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