(PHP 4 >= 4.1.0, PHP 5, PHP 7)
Returns available space on filesystem or disk partition
float disk_free_space ( string $directory )
Given a string containing a directory, this function will return the number of bytes available on the corresponding filesystem or disk partition.
Parameters:
directory
A directory of the filesystem or disk partition.
Note:
Given a file name instead of a directory, the behaviour of the function is unspecified and may differ between operating systems and PHP versions.
Returns:
Returns the number of available bytes as a float or FALSE on failure.
Notes:
This function will not work on remote files as the file to be examined must be accessible via the server's filesystem.
Examples:
disk_free_space() example
<?php
// $df contains the number of bytes available on "/"
$df = disk_free_space("/");
// On Windows:
$df_c = disk_free_space("C:");
$df_d = disk_free_space("D:");
?>
See also:
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