EvTimer
PHP Manual

EvTimer::createStopped

Creates EvTimer stopped watcher object

Description

final public static EvTimer EvTimer::createStopped(
     float $after ,
     float $repeat ,
     callable $callback ,
     mixed $data = null ,
     int $priority = 0
)

Creates EvTimer stopped watcher object. Unlike EvTimer::__construct, this method doesn't start the watcher automatically.

Parameters

after

Configures the timer to trigger after after seconds.

repeat

If repeat is 0.0, then it will automatically be stopped once the timeout is reached. If it is positive, then the timer will automatically be configured to trigger again every repeat seconds later, until stopped manually.

callback

See Watcher callbacks.

data

Custom data associated with the watcher.

priority

Watcher priority

Return Values

Returns EvTimer watcher object on success.

Examples

Example #1 Monotor changes of /var/log/messages. Avoid missing updates by means of one second delay

<?php
$timer = EvTimer::createStopped(0., 1.02, function ($w) {
    $w->stop();

    $stat = $w->data;

    // 1 second after the most recent change of the file
    printf("Current size: %ld\n", $stat->attr()['size']);
});

$stat = new EvStat("/var/log/messages", 0., function () use ($timer) {
    // Reset timer watcher
    $timer->again();
});

$timer->data = $stat;

Ev::run();
?>

See Also

  • EvTimer::__construct
  • EvPeriodic