PHP无需循环计算容量单位(B KB MB GB TB)
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1 2 3 4 5 6 | $bytes = disk_free_space( "." ); $si_prefix = array ( 'B' , 'KB' , 'MB' , 'GB' , 'TB' , 'EB' , 'ZB' , 'YB' ); $base = 1024; $class = min((int)log( $bytes , $base ) , count ( $si_prefix ) - 1); echo $bytes . '<br />' ; echo sprintf( '%1.2f' , $bytes / pow( $base , $class )) . ' ' . $si_prefix [ $class ] . '<br />' ; |
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