Inotify example

php_watch.php

<?php

$fd = inotify_init();
$watch_dir = '/tmp/';
$watch_email = 'kyle@crowdgather.com';
$new_files = array();
$last_event = time();
$interval = 10;

stream_set_blocking($fd, 0);
$watch_descriptor = inotify_add_watch($fd, $watch_dir, IN_CREATE);

while (true) {
        $events = inotify_read($fd);

        if (is_array($events) && preg_match("/.*\.php$/", $events[0]['name'])) {
                $new_files[] = $events[0]['name'];
        }

        if (time() - $last_event > $interval) {
                print "Checking for new files...\n";
                $last_event = time();
                if (count($new_files)) {
                        printf("Found %s new PHP files on %s, sending email to %s\n", count($new_files), $watch_dir, $watch_email);
                        mail($watch_email, "New files found on $watch_dir", print_r($new_files, true));
                        $new_files = array();
                }
        }
}

inotify_rm_watch($fd, $watch_descriptor);
fclose($fd);

?>