[wp-trac] [WordPress Trac] #35491: Add a function to check whether a hook is scheduled

[WordPress Trac]

#35491: Add a function to check whether a hook is scheduled
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 Reporter:  dlh          |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Cron API     |    Version:
 Severity:  normal       |   Keywords:
  Focuses:               |
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 I'm working with a plugin that calls `wp_schedule_event()` with an
 unpredictable value for `$args`.

 Sometimes it would be helpful to know whether this plugin's event is
 scheduled, but because I can only guess at `$args`, I can't always detect
 it with `wp_next_scheduled()`.

 The attached patch attempts to address this scenario with a function that
 checks only whether a hook is scheduled, regardless of its `$args`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35491>
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