EvStat::attr
(PECL ev >= 0.2.0)
EvStat::attr — Returns the values most recently detected by Ev
説明
public
array
EvStat::attr
( void
)
Returns array of the values most recently detected by Ev
パラメータ
この関数にはパラメータはありません。
返り値
Returns array with the values most recently detect by Ev(without actual stat 'ing):
| Key | Description |
|---|---|
'dev'
|
ID of device containing file |
'ino'
|
inode number |
'mode'
|
protection |
'nlink'
|
number of hard links |
'uid'
|
user ID of owner |
'size'
|
total size, in bytes |
'gid'
|
group ID of owner |
'rdev'
|
device ID (if special file) |
'blksize'
|
blocksize for file system I/O |
'blocks'
|
number of 512B blocks allocated |
'atime'
|
time of last access |
'ctime'
|
time of last status change |
'mtime'
|
time of last modification |
See stat(2) man page for details.
例
例1 Monitor changes of /var/log/messages
<?php
// Use 10 second update interval.
$w = new EvStat("/var/log/messages", 8, function ($w) {
echo "/var/log/messages changed\n";
$attr = $w->attr();
if ($attr['nlink']) {
printf("Current size: %ld\n", $attr['size']);
printf("Current atime: %ld\n", $attr['atime']);
printf("Current mtime: %ld\n", $attr['mtime']);
} else {
fprintf(STDERR, "`messages` file is not there!");
$w->stop();
}
});
Ev::run();
?>
参考
- EvStat::prev() - Returns the previous set of values returned by EvStat::attr
- EvStat::stat() - Initiates the stat call
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