Dominik Schilling 3844065c1a Media: In _wp_handle_upload() use call_user_func_array() to call the upload error handler.
The default error handler `wp_handle_upload_error()` expects a reference for the first parameter but `call_user_func()` doesn't pass parameters by reference. The current code didn't produce any issues until now. PHP 7.0.9 (and PHP 7.1) is now stricter and prevents calling the error handler with a warning:
> PHP Warning:  Parameter 1 to wp_handle_upload_error() expected to be a reference, value given.

To restore the error handler `_wp_handle_upload()` now uses `call_user_func_array()`.

Props jbrinley.
Props jorbin for review.
Fixes #37570.

git-svn-id: https://develop.svn.wordpress.org/trunk@38235 602fd350-edb4-49c9-b593-d223f7449a82
2016-08-09 21:53:12 +00:00
2016-08-02 13:44:37 +00:00
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