[wp-trac] [WordPress Trac] #44124: Adding is_countable() check to custom-header.php

[WordPress Trac]

#44124: Adding is_countable() check to custom-header.php
--------------------------+-----------------------------
 Reporter:  ianbelanger   |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
--------------------------+-----------------------------
 Updating a single instance of count() in show_header_selector()
 {{{
 if ( count( $var ) > 0 ) {
         // Do something.
 }
 }}}
 with is_countable()
 {{{
 if ( is_countable( $var ) && count( $var ) > 0 ) {
         // Do something.
 }
 }}}
 in the custom-header.php file, in order to avoid warnings in PHP 7.2

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Ticket URL: <https://core.trac.wordpress.org/ticket/44124>
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