[wp-trac] [WordPress Trac] #37149: PHP Warning raised from plugin.php on line 235

[WordPress Trac]

#37149: PHP Warning raised from plugin.php on line 235
--------------------------+-----------------------------
 Reporter:  nodeleaf      |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Plugins       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Apache error log is recording the very same persistent error on every
 client connections:

 ''PHP Warning:  call_user_func_array() expects parameter 1 to be a valid
 callback, function 'return "";' not found or invalid function name in
 /.../wp-includes/plugin.php on line 235
 ''

 This error is filling about 99% of this production server's errors log
 file making critical errors more difficult to track and address: an heavy
 cost to pay if this was really about a missing '''return "";''' PHP
 statement.

 I am now using 4.5.3 but the issue is older than that as this error is
 logged repetively from many months.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37149>
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