(PECL ev >= 0.2.0)
EvStat::__construct — Constructs EvStat watcher object
public EvStat::__construct ( string $path , float $interval , callable $callback [, mixed $data = null [, int $priority = 0 ]] )
Constructs EvStat watcher object and starts the watcher automatically.
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 0.0 to let libev choose a suitable value.
callback See Watcher callbacks .
data Custom data associated with the watcher.
priority Returns EvStat watcher object on succes.
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();
?>
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/evstat.construct.php