EvStat::attr
(PECL ev >= 0.2.0)
EvStat::attr — Returns the values most recently detected by Ev
说明
public
EvStat::attr (
void ) :
array
Returns array of the values most recently detected by Ev
参数
此函数没有参数。
返回值
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.
范例
Example #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();
?>
参见
- EvStat::prev() - Returns the previous set of values returned by EvStat::attr
- EvStat::stat() - Initiates the stat call
