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                4、PHP獲取文件大小并格式化 以下使用的函數可以獲取文件的大小,并且轉換成便于閱讀的KB,MB等格式。 ~~~ function formatSize($size) { $sizes = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB"); if ($size == 0) { return('n/a'); } else { return (round($size/pow(1024, ($i = floor(log($size, 1024)))), 2) . $sizes[$i]); } } ~~~ 使用方法如下: ~~~ $thefile = filesize('test_file.mp3'); echo formatSize($thefile); ~~~
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