[wp-trac] [WordPress Trac] #28843: Fatal error: Call to protected method ... on PHP 5.2.5

[WordPress Trac]

#28843: Fatal error: Call to protected method ... on PHP 5.2.5
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 Reporter:  Ipstenu       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  high          |   Milestone:  4.0
Component:  General       |     Version:  trunk
 Severity:  blocker       |  Resolution:
 Keywords:                |     Focuses:
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Comment (by luciole135):

 Warning: call_user_func_array() [function.call-user-func-array]: First
 argument is expected to be a valid callback,
 'WP_Comments_List_Table::_js_vars' was given in C:\wamp\www\wordpress4\wp-
 includes\plugin.php on line 488

 On dashboard with PHP 5.2.5 on a new install and on an update

 If I disable the dashboard_activity widget with the function unset, there
 are no errors:
 unset ($ wp_meta_boxes ['dashboard'] ['normal'] ['core']
 ['dashboard_activity']);

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Ticket URL: <https://core.trac.wordpress.org/ticket/28843#comment:8>
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