Title: PHP Warning: Undefined variable $selectors_string
Last modified: March 20, 2023

---

# PHP Warning: Undefined variable $selectors_string

 *  [Tamsin Carter](https://wordpress.org/support/users/tamsin-carter/)
 * (@tamsin-carter)
 * [3 years ago](https://wordpress.org/support/topic/php-warning-undefined-variable-selectors_string/)
 * Hi Simple Tooltips.
 * This PHP warning is showing as being related to this plugin:
 * PHP Warning: Undefined variable $selectors_string
 * wp-content/plugins/simple-tooltips/index.php:412
 * I notice other tooltip plugins have released an update resolving this.
 * Could you please let me know if you are likely to do the same?
 * Thank you
 * Tamsin

The topic ‘PHP Warning: Undefined variable $selectors_string’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/simple-tooltips_cfcfcf.svg)
 * [Simple Tooltips](https://wordpress.org/plugins/simple-tooltips/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/simple-tooltips/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/simple-tooltips/)
 * [Active Topics](https://wordpress.org/support/plugin/simple-tooltips/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/simple-tooltips/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/simple-tooltips/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [Tamsin Carter](https://wordpress.org/support/users/tamsin-carter/)
 * Last activity: [3 years ago](https://wordpress.org/support/topic/php-warning-undefined-variable-selectors_string/)
 * Status: not resolved