[wp-trac] [WordPress Trac] #30875: enforce integers in add_filter priority

[WordPress Trac]

#30875: enforce integers in add_filter priority
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 Reporter:  drrobotnik              |       Owner:
     Type:  defect (bug)            |      Status:  new
 Priority:  normal                  |   Milestone:  Awaiting Review
Component:  Plugins                 |     Version:  4.1
 Severity:  normal                  |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:
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Changes (by valendesigns):

 * keywords:  close => has-patch dev-feedback


Comment:

 The [attachment:30875.diff] adds unit tests and solves the issue in a
 backwards compatible way. We can't return `false` since actions are
 expected to run no mater what you enter. However, we can normalize the
 priority a bit.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30875#comment:4>
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