[wp-trac] [WordPress Trac] #41502: _wp_expand_nav_menu_post_data() corrupts multiple select (array value)

WordPress Trac noreply at wordpress.org
Wed Dec 13 04:39:11 UTC 2017


#41502: _wp_expand_nav_menu_post_data() corrupts multiple select (array value)
---------------------------+------------------------------
 Reporter:  elliotcondon   |       Owner:
     Type:  defect (bug)   |      Status:  new
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  Menus          |     Version:  4.9
 Severity:  normal         |  Resolution:
 Keywords:  needs-testing  |     Focuses:  administration
---------------------------+------------------------------

Comment (by elliotcondon):

 Hi @dd32

 Thanks for the reply.

 I've just tried to replicate this issue using 2 text inputs as you have:
 <input type="text" name="testing[]" value="A">
 <input type="text" name="testing[]" value="B">

 I can confirm that the JSON posted correctly contains both inputs:
 {\"name\":\"testing[]\",\"value\":\"A\"},{\"name\":\"testing[]\",\"value\":\"B\"}

 However, when printing out the $_POST array, the only "testing" is:
 [testing] => B

 The $_POST data does not contain an array (as expected). Instead, only a
 single value.
 This is very different to the results you have found.

 I have included a fix within ACF that changes the JSON string so that
 array values can correctly be posted. Can you please test on a site
 without ACF, or any other plugin that may be fixing this?

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Ticket URL: <https://core.trac.wordpress.org/ticket/41502#comment:2>
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