Title: Plugin.php warning
Last modified: August 19, 2016

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# Plugin.php warning

 *  [loden](https://wordpress.org/support/users/loden/)
 * (@loden)
 * [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/)
 * I didn’t install any new plugins or update WordPress. When I loaded my site today,
   I got a lot of errors along the lines of:
 * Warning: call_user_func_array() [function.call-user-func-array]: First argument
   is expected to be a valid callback, ‘_config_wp_siteurl’ was given in /home/.
   fairy/loden/yarneverywhere.com/wp-includes/plugin.php on line 48
 * All the errors refer to call-user-func-array and the plugin.php file.
 * My website ([http://www.yarneverywhere.com](http://www.yarneverywhere.com)) has
   a lot of errors of that sort along with the HTML content, lacking CSS style.
 * When I try to access wp-admin I get something similar but without the html, and
   with a few of the errors referring to line 123 in plugin.php and one referring
   to pluggable.php.
 * I have no idea what’s causing this problem, as I haven’t changed anything about
   the site – no changes have been made to any of the php files. I posted a new 
   entry recently, but I’ve loaded the page since then with no problems. Since I
   can’t even access the admin panel to poke around, I have no idea how to fix this.
   I’m running an older version of WordPress (my php files are different from the
   ones in version 2.3.3 I downloaded for reference), but I don’t know which one
   because I can’t get the admin stuff. It’s from a little more than a year ago.
 * Help?

Viewing 5 replies - 1 through 5 (of 5 total)

 *  [Jeremy Clark](https://wordpress.org/support/users/jeremyclark13/)
 * (@jeremyclark13)
 * [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/#post-715421)
 * It’s 2.1.1 and you should upgrade to the latest version.
 *  [Ionut](https://wordpress.org/support/users/ionut/)
 * (@ionut)
 * [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/#post-715439)
 * I have the exact same problem, any clues ?
 *  Thread Starter [loden](https://wordpress.org/support/users/loden/)
 * (@loden)
 * [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/#post-715483)
 * Well, I don’t know what the problem was, but upgrading fixed it. I would try 
   that.
 * Thanks, jeremyclark13!
 *  [adboehm](https://wordpress.org/support/users/adboehm/)
 * (@adboehm)
 * [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/#post-715620)
 * I have exactly the same error.
    I’m currently trying to upgrade, but going to
   the wp-admin/upgrade.php results in the same error.
 * Just deleted all the plugins in the plugin folder, no difference.
 *  [erik](https://wordpress.org/support/users/erik/)
 * (@erik)
 * [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/#post-715627)
 * I had the same problem. I replaced the wp-includes on the server with the wp-
   includes from my last backup and everything worked fine again. (Despite that 
   they should have been exactly the same, since the backup was from after the last
   time I did anything to the version on the server…)

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Plugin.php warning’ is closed to new replies.

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 5 replies
 * 5 participants
 * Last reply from: [erik](https://wordpress.org/support/users/erik/)
 * Last activity: [18 years, 2 months ago](https://wordpress.org/support/topic/pluginphp-warning/#post-715627)
 * Status: not resolved

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