[wp-trac] [WordPress Trac] #53625: The 'explode' function does not work on widget block editor.

[WordPress Trac]

#53625: The 'explode' function does not work on widget block editor.
-----------------------------------------------+---------------------------
 Reporter:  subrataemfluence                   |       Owner:  (none)
     Type:  defect (bug)                       |      Status:  new
 Priority:  normal                             |   Milestone:  Awaiting
                                               |  Review
Component:  Widgets                            |     Version:  trunk
 Severity:  major                              |  Resolution:
 Keywords:  has-screenshots reporter-feedback  |     Focuses:
                                               |  administration
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Comment (by zieladam):

 I don't think this is actually breaking anything, but it's worth pointing
 out that here:

 {{{#!php
 <?php
 $instance['groups'] = array_pop ( explode( ',', $groups ) );
 }}}

 A warning is logged:

 Only variables can be passed by reference

 Because array_pop expects to receive a variable, not a value.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53625#comment:6>
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