(PECL ev >= 0.2.0)
EvStat::__construct — Constructs EvStat watcher object
$path
   
   , 
    double
     $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();
?>