disk_total_space
    (PHP 4 >= 4.1.0)
disk_total_space -- Returns the total size of a directory
Description
float 
disk_total_space ( string directory)
     Given a string containing a directory, this function will return
     the total number of bytes on the corresponding filesystem or disk
     partition.
    
     
| Példa 1. disk_total_space() example | $df = disk_total_space("/"); // $df contains the total number of
                             // bytes available on "/" | 
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