When no events are scheduled, the following error appears in the Drupal log after each cron run:

Invalid argument supplied for foreach() in /home/[redacted]/public_html/sites/all/modules/schedule/schedule.module on line 862.

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DrewMathers’s picture

DrewMathers commented
Status: Active » Needs review

Change line 862

From:   foreach ($schedules as $schedule) {

To:     foreach ((array)$schedules as $schedule) {

As described in:

http://www.php.net/manual/en/control-structures.foreach.php#85120