Title: PHP Warning: calling get_current_screen()->base on null
Last modified: February 8, 2022

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# PHP Warning: calling get_current_screen()->base on null

 *  [John Dorner](https://wordpress.org/support/users/jdorner/)
 * (@jdorner)
 * [4 years, 4 months ago](https://wordpress.org/support/topic/php-warning-calling-get_current_screen-base-on-null/)
 * In tinymce-advanced.php line 364 in the `show_version_warning()` method
    `get_current_screen()`
   may return `null`
 * Therefore, you should check if `get_current_screen() != null` before using `get_current_screen()-
   >base`
 *     ```
       if( null == get_current_screen() ) {
           return;
       }
       ```
   
 * This happens if wp_editor is used in an ajax response.
 * Hope this helps,
    John

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 * 0 replies
 * 1 participant
 * Last reply from: [John Dorner](https://wordpress.org/support/users/jdorner/)
 * Last activity: [4 years, 4 months ago](https://wordpress.org/support/topic/php-warning-calling-get_current_screen-base-on-null/)
 * Status: not resolved