Returns the values most recently detected by Ev

# EvStat::attr

(PECL ev >= 0.2.0)

EvStat::attr — Returns the values most recently detected by Ev

### 説明

public EvStat::attr ( void ) : array

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):

List for item keys of the array returned by EvStat::attr()
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