EvStat::__construct
(PECL ev >= 0.2.0)
EvStat::__construct — Constructs EvStat watcher object
Описание
public
EvStat::__construct
(
string
$path
,
double
$interval
,
callable
$callback
[,
mixed
$data
= NULL
[,
int
$priority
= 0
]] )Constructs EvStat watcher object and starts the watcher automatically.
Список параметров
-
path -
The path to wait for status changes on.
-
interval -
Hint on how quickly a change is expected to be detected and should normally be specified as
0.0to let libev choose a suitable value. -
callback -
See Watcher callbacks .
-
data -
Custom data associated with the watcher.
-
priority
Возвращаемые значения
Returns EvStat watcher object on succes.
Примеры
Пример #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();
?>
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Расширения для управления процессами программ
- Ev
- Функция EvStat::attr() - Returns the values most recently detected by Ev
- Функция EvStat::__construct() - Constructs EvStat watcher object
- Функция EvStat::createStopped() - Create a stopped EvStat watcher object
- Функция EvStat::prev() - Returns the previous set of values returned by EvStat::attr
- Функция EvStat::set() - Configures the watcher
- Функция EvStat::stat() - Initiates the stat call
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