public function watch()
    {
        if ($this->inotify) {
            $events = inotify_read($this->inotify);
            if (!$events) {
                return;
            }
            foreach ($events as $ev) {
                $path = $this->descriptors[$ev['wd']];
                if (!isset($this->files[$path])) {
                    continue;
                }
                $this->onFileChanged($path);
            }
        } else {
            static $hash = [];

            foreach ($this->files as $path => $v) {
                if (!file_exists($path)) {
                    // file can be deleted
                    unset($this->files[$path]);
                    continue;
                }

                $mt = filemtime($path);

                if (isset($hash[$path]) && ($mt > $hash[$path])) {
                    $this->onFileChanged($path);
                }

                $hash[$path] = $mt;
            }
        }
    }
public function watch()
    {
        if ($this->inotify) {
            $events = inotify_read($this->inotify);
            if (!$events) {
                return;
            }
            foreach ($events as $ev) {
                $path = $this->descriptors[$ev['wd']];
                if (!isset($this->files[$path])) {
                    continue;
                }
                $this->onFileChanged($path);
            }
        } else {
            static $hash = [];

            foreach ($this->files as $path => $v) {
                if (!file_exists($path)) {
                    // file can be deleted
                    unset($this->files[$path]);
                    continue;
                }

                $mt = filemtime($path);

                if (isset($hash[$path]) && ($mt > $hash[$path])) {
                    $this->onFileChanged($path);
                }

                $hash[$path] = $mt;
            }
        }
    }
public function watch ( ) { if ( $ this -> inotify ) { $ events = inotify_read ( $ this -> inotify ) ; if ( ! $ events ) { return ; } foreach ( $ events as $ ev ) { $ path = $ this -> descriptors [ $ ev [ 'wd' ] ] ; if ( ! isset ( $ this -> files [ $ path ] ) ) { continue ; } $ this -> onFileChanged ( $ path ) ; } } else { static $ hash = [ ] ; foreach ( $ this -> files as $ path => $ v ) { if ( ! file_exists ( $ path ) ) { // file can be deleted unset ( $ this -> files [ $ path ] ) ; continue ; } $ mt = filemtime ( $ path ) ; if ( isset ( $ hash [ $ path ] ) && ( $ mt > $ hash [ $ path ] ) ) { $ this -> onFileChanged ( $ path ) ; } $ hash [ $ path ] = $ mt ; } } }
Check the file system, triggered by timer
@return void
Check the file system triggered by timer