Php/docs/evstat.construct

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EvStat::__construct

(PECL ev >= 0.2.0)

EvStat::__constructConstructs EvStat watcher object


Description

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

Constructs EvStat watcher object and starts the watcher automatically.


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


Return Values

Returns EvStat watcher object on succes.


Examples

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();?>