EvStat::__construct

Constructs EvStat watcher object

&reftitle.description; public `EvStat::__construct` `string` `path` `double` `interval` `callable` `callback` `mixed` `data` &null; `int` `priority` 0

Constructs EvStat watcher object and starts the watcher automatically.

&reftitle.parameters;

`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`

- Watcher priority

&reftitle.returnvalues;

Returns EvStat watcher object on succes.

&reftitle.examples;

### 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();
    ?>