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                # PHP set_file_buffer() 函數 ## 定義和用法 set_file_buffer() 函數設置打開文件的緩沖大小。 若成功,則該函數返回 0。若失敗,則返回 EOF。 ### 語法 ``` set_file_buffer(file,buffer) ``` | 參數 | 描述 | | --- | --- | | file | 必需。規定打開的文件。 | | buffer | 必需。規定緩沖大小,以字節計。 | ## 提示和注釋 注釋:該函數是 stream_set_write_buffer() 的別名。 ## 例子 創建無緩沖的流: ``` <?php $file = fopen("test.txt","w"); if ($file) { set_file_buffer($file,0); fwrite($file,"Hello World. Testing!"); fclose($file); } ?> ```
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