Earlier today I updated our test site, in preparation for rolling updates out to the main site. This involved updating several plugins and replacing the “BeforeTheDeadline” plugin with Jetpack. After completing the updates I found I was getting several error messages on the dashboard, under the “导入链接” dashboard widget, 当我试图清空W3的总缓存缓存甚至更多的错误.
Deprecated: Assigning the return value of new by reference is deprecated in …/wp-includes/class-simplepie.php
I was able to clear the errors by deactivating all plugins, and re-enabling 1 at a time to lead me to the culprit – an update to the “WP Auto Affiliate Links” plugin we use to insert links to amazon for some products. A bit more research and a comparison of the code between the old plugin and new version led me to a fix fairly swiftly – the plugin contains some code near the top which turns on 的PHP 错误.
error_reporting(E_ALL & ~E_NOTICE);
Removing this line (or commenting it) completely resolved the problem.
As a further note – these warnings from 的PHP are normal for anyone running wordpress on an up-to-date PHP5 because wordpress includes lots of legacy code which uses functions which are now deprecated. The reason they aren’t normally shown is because non fatal errors are usually suppressed. It’s high time wordpress updated this legacy code, but that is a discussion for another time. 同时 – if you start to get these errors after a plugin update you need to check the plugin code and edit out any lines that include the error_reporting() function call.
In the process of resolving this issue I also discovered something else quite useful. When I wanted to obtain the previous version of the auto affiliate links plugin I discovered that these are all archived on the wordpress.org downloads page. The current version (在写本新闻时) 是 2.3.2 which can be downloaded from http://downloads.wordpress.org/plugin/wp-auto-affiliate-links.2.3.2.zip. My previous version was 2.2.2 – so I guessed the download link would be http://downloads.wordpress.org/plugin/wp-auto-affiliate-links.2.2.2.zip if old versions were retained. Hey presto – using that address worked perfectly, kudos to wordpress for keeping old versions.
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