[wp-trac] [WordPress Trac] #44979: Parameter 1 to wp_default_styles() expected to be a reference, value given

[WordPress Trac]

#44979: Parameter 1 to wp_default_styles() expected to be a reference, value given
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 Reporter:  jqz            |       Owner:  SergeyBiryukov
     Type:  defect (bug)   |      Status:  accepted
 Priority:  normal         |   Milestone:  5.0.1
Component:  Script Loader  |     Version:
 Severity:  normal         |  Resolution:
 Keywords:                 |     Focuses:
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Changes (by pento):

 * version:  4.9.8 =>
 * milestone:  5.0 => 5.0.1


Comment:

 I originally milestoned this for 5.0 as a possible PHP 7.3 compatibility
 issue. As it's to do with the UOPZ extension, I'm moving this to 5.0.1 for
 further evaluation.

 I suspect the fix is going to be trickier than just removing the `&` and
 changing `WP_Scripts::init()` to call `do_action()` instead, given
 historical conversations around the behaviour of this code.

 In particular, any fix will need to be tested with PHP 5.2 and 5.3, which
 had some weird object/reference behaviour that the handful of remaining
 `do_action_ref_array()` usages seem to exist to work around.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44979#comment:3>
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