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Get file system statistics


eio_statvfs

(PECL eio >= 0.0.1dev)

eio_statvfsGet file system statistics

Description

resource eio_statvfs ( string $path , int $pri , callable $callback [, mixed $data ] )

eio_statvfs() returns file system statistics information in result argument of callback

Parameters

path

Pathname of any file within the mounted file system

pri

The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO_PRI_MAX, or NULL. If NULL passed, pri internally is set to EIO_PRI_DEFAULT.

callback

callback function is called when the request is done. It should match the following prototype:

void callback(mixed $data, int $result[, resource $req]);
data

is custom data passed to the request.

result

request-specific result value; basically, the value returned by corresponding system call.

req

is optional request resource which can be used with functions like eio_get_last_error()

data

Arbitrary variable passed to callback.

Return Values

eio_statvfs() returns request resource on success or FALSE on error. On success assigns result argument of callback to an array.

Examples

Example #1 eio_statvfs() example

<?php
$tmp_filename 
'/tmp/eio-file.tmp';
touch($tmp_filename);

function 
my_statvfs_callback($data$result) {
    
var_dump($data);
    
var_dump($result);

 @
unlink($data);
}

eio_statvfs($tmp_filenameEIO_PRI_DEFAULT"my_statvfs_callback"$tmp_filename);
eio_event_loop();
?>

The above example will output something similar to:

 string(17) "/tmp/eio-file.tmp" array(11) { ["f_bsize"]=> int(4096) ["f_frsize"]=> int(4096) ["f_blocks"]=> int(262144) ["f_bfree"]=> int(262111) ["f_bavail"]=> int(262111) ["f_files"]=> int(1540815) ["f_ffree"]=> int(1540743) ["f_favail"]=> int(1540743) ["f_fsid"]=> int(0) ["f_flag"]=> int(4102) ["f_namemax"]=> int(255) } 


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