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    EvStat::__construct

    (PECL ev >= 0.2.0)

    EvStat::__construct — Constructs EvStat watcher object

    説明

    public EvStat::__construct(
         string $path ,
         float $interval ,
         callable $callback ,
         mixed $data = null ,
         int $priority = 0
    )

    Constructs EvStat watcher object and starts the watcher automatically.

    パラメータ

    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

    例

    例1 Monitor changes of /var/log/messages

    <?php

    // Use 10 second update interval.
    $w = new EvStat("/var/log/messages", 10, function ($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();
    }
    });

    ?>

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