Title: PHP Warning: Undefined variable $message
Last modified: June 11, 2026

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# PHP Warning: Undefined variable $message

 *  [JuniperPaul](https://wordpress.org/support/users/juniperpaul/)
 * (@juniperpaul)
 * [3 hours, 50 minutes ago](https://wordpress.org/support/topic/php-warning-undefined-variable-message/)
 * `PHP Warning: Undefined variable $message in [...]/slim-maintenance-mode.php 
   on line 121`
 *     ```wp-block-code
       add_filter( 'login_message',function() {return '' . __( 'Maintenance mode is active!', 'slim-maintenance-mode' ) . ''.$message;} );
       ```
   
 * Slim Maintenance Mode
   Version 1.4.5WordPress 7.0
    -  This topic was modified 3 hours, 45 minutes ago by [JuniperPaul](https://wordpress.org/support/users/juniperpaul/).

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## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [JuniperPaul](https://wordpress.org/support/users/juniperpaul/)
 * Last activity: [3 hours, 50 minutes ago](https://wordpress.org/support/topic/php-warning-undefined-variable-message/)
 * Status: not resolved