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                ## ob介紹 ob是output buffering的簡稱,輸出緩沖區 ob_start()在服務器打開一個緩沖區來保存所有的輸出。所以在任何時候使用echo ,輸出都將被加入緩沖區中,直到程序運行結束或者使用ob_flush()來結束。 ## 應用場景,生成HTML靜態頁 ``` //開啟緩存 ob_start(); var_dump($sqldata); //然后打印該信息,這條信息會記錄到緩沖區 $html = ob_get_contents(); ob_end_clean(); file_put_contents('static.html',$html); ```
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