Warning: array_flip(): Can only flip STRING and INTEGER values!

  • Resolved HorrorUK

    (@horroruk)


    10 years, 2 months ago

    I’ve just started to get this message. I got it last night when activating a plugin and again when I deactivated some plugins.

    I did a search on Google, but all I’m getting are posts about Drupal.

    Warning: array_flip(): Can only flip STRING and INTEGER values! in /home/xxxxxx/public_html/wp-admin/includes/menu.php on line 279

    This is a Multisite, and the error only shows on the main site.

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