[wp-trac] [WordPress Trac] #46268: add to menu button not working

[WordPress Trac]

#46268: add to menu button not working
--------------------------+-----------------------------
 Reporter:  mohamedh      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  major         |   Keywords:  needs-patch
  Focuses:                |
--------------------------+-----------------------------
 Hi,


 I recently started to use php 5.6 with wp (it doesn't matter if it's clean
 wp installation or an old one) and I ran into a problem. When adding new
 items to navigation menu, the “add to menu” doesn’t work. This video
 illustrates my problem: https://drive.google.com/file/d/1hEa2lNkavCm-
 EFfU7Ct8c88LOhRH9vl1/view



 I tried changing these in my php.ini

 {{{#!php
 <?php

 post_max_size 20M
 max_input_vars 10000
 }}}

 But it didn't solve the issue.

 I tried clearing my browser cache and emptying the .htaccess file and I
 already have the following in my wp-config right before "that's all stop
 editing"

 {{{#!php
 <?php
 define('WP_DEBUG', true);
 define( 'CONCATENATE_SCRIPTS', true );

 define( 'WP_MEMORY_LIMIT', '256M' );
 }}}


 I tried to reproduce the issue on a test server with different versions
 and I figured that the problem occurs when upgrading from centos 7's
 default php 5.4 to php v5.6.40. It doesn't matter if the php version is
 updated after installing wordpress or before. I tried Upgrading to php7
 and it solved the issue. Then I downgraded back to php 5.40 and everything
 was still working.

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Ticket URL: <https://core.trac.wordpress.org/ticket/46268>
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