Title: Undefined variable: _setting since version 2.4.2
Last modified: November 27, 2018

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# Undefined variable: _setting since version 2.4.2

 *  Resolved [m266](https://wordpress.org/support/users/m266/)
 * (@m266)
 * [7 years, 6 months ago](https://wordpress.org/support/topic/undefined-variable-_setting-since-version-2-4-2/)
 * Hi Frank,
 * I found this error message with plugin “Query Monitor”:
    Undefined variable: 
   _setting wp-content/plugins/autoptimize/classes/autoptimizeExtra.php:610
 * Please fix it.
    Thanks.
 * Greetings Hans

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [7 years, 6 months ago](https://wordpress.org/support/topic/undefined-variable-_setting-since-version-2-4-2/#post-10920731)
 * arrrrrrgggghhhhhh … stupid me, stupid notice (not an error :-p )
 * OK, open that file and on line 610 replace
 * `if ( ! $_setting || empty( $_setting ) || ( '1' !== $_setting && '3' !== $_setting)){`
 * with
    `if ( ! isset( $_setting ) || empty( $_setting ) || ( '1' !== $_setting&&'
   3' !== $_setting ) ) {`
 * so `!isset()` instead of just `!`
 * I’ll make sure this goes in the next update.
 * frank
 *  Thread Starter [m266](https://wordpress.org/support/users/m266/)
 * (@m266)
 * [7 years, 6 months ago](https://wordpress.org/support/topic/undefined-variable-_setting-since-version-2-4-2/#post-10920763)
 * Hi Frank,
 * I know, this is a notice 🙂
    I’am waiting for your next update.
 * Thanks for your fast answer.
 * Hans
 *  Plugin Author [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * (@optimizingmatters)
 * [7 years, 6 months ago](https://wordpress.org/support/topic/undefined-variable-_setting-since-version-2-4-2/#post-10920772)
 * > I am waiting for your next update.
 * To be clear; barring major issues with 2.4.2 an update could be a couple of months
   away 🙂
 * have a nice day!
    frank

Viewing 3 replies - 1 through 3 (of 3 total)

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## Tags

 * [undefined variable](https://wordpress.org/support/topic-tag/undefined-variable/)

 * 3 replies
 * 2 participants
 * Last reply from: [Optimizing Matters](https://wordpress.org/support/users/optimizingmatters/)
 * Last activity: [7 years, 6 months ago](https://wordpress.org/support/topic/undefined-variable-_setting-since-version-2-4-2/#post-10920772)
 * Status: resolved