[wp-trac] [WordPress Trac] #48747: WP_Customize_Setting doesn't clean up after itself

[WordPress Trac]

#48747: WP_Customize_Setting doesn't clean up after itself
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 Reporter:  jon81                                |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  Awaiting
                                                 |  Review
Component:  Customize                            |     Version:  3.4
 Severity:  minor                                |  Resolution:
 Keywords:  dev-feedback has-patch reporter-     |     Focuses:
  feedback                                       |
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Comment (by jon81):

 Hey @dlh, to give a bit of context to what I working on:-

 I wanted to replace some of the color controls defined in the parent
 theme, with a control that supports rgba
 ([https://github.com/BraadMartin/components/tree/master/alpha-color-picker
 Alpha Color Picker]), I was coming unstuck with `sanitize_hex_color`
 running before/instead-of my own sanitize callback.

 The patch you suggested would make it easier to remove the sanitize
 filter, though I feel it's use would only be apparent after one has
 discovered the issue hand. Now that I know what the problem is I can
 workaround it myself.

 I think what Weston suggested would be the way to go if possible, have
 filters added when needed, rather than in the constructor.. that way I
 could presumable remove a setting in the `customize_register` hook before
 any filters have been added.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48747#comment:5>
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