[wp-trac] [WordPress Trac] #42660: Single event scheduler

[WordPress Trac]

#42660: Single event scheduler
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 Reporter:  skarabeq           |       Owner:
     Type:  defect (bug)       |      Status:  closed
 Priority:  normal             |   Milestone:
Component:  Cron API           |     Version:  4.9
 Severity:  normal             |  Resolution:  invalid
 Keywords:  reporter-feedback  |     Focuses:
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Changes (by mariovalney):

 * status:  reopened => closed
 * resolution:   => invalid


Comment:

 Hi @skarabeq how are you?

 A event scheduled with `wp_schedule_single_event` will run '''just one
 time for each time you scheduled it''' (as @dd32 explained
 [https://core.trac.wordpress.org/ticket/42660#comment:12 here]).

 You have to make sure you will not call `wp_schedule_single_event`
 function after the event runned.

 If you want a event run just really once (and never again) the best way is
 to run `wp_schedule_single_event` in a action will run just once (like
 activating a plugin). If it's not possible, another solution would be add
 a entry in database (before it run to avoid parallel events and after it
 run to say "it's done: never schedule this again").

 P.S: [https://www.useloom.com/share/6e9f4b410a394eb4ab889bce7e9a6c0b A
 video with a test you can do.]

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Ticket URL: <https://core.trac.wordpress.org/ticket/42660#comment:21>
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