Title: PHP Warning Undefined array key “post_type” Last modified: August 21, 2025 --- # PHP Warning Undefined array key “post_type” * Resolved [deputt](https://wordpress.org/support/users/deputt/) * (@deputt) * [9 months, 3 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-post_type/) * Hi. TQ for this excellent plugin which we’ve been using for a while. * We’ve been seeing a lot of the following warnings in our website’s error_log: * [`20-Aug-2025 19:52:05 UTC] PHP Warning: Undefined array key "post_type" in / public_html/wp-content/plugins/ts-search-slug/plugin.php on line 300 [20-Aug- 2025 19:54:45 UTC] PHP Warning: Undefined array key "post_type" in /public_html/ wp-content/plugins/ts-search-slug/plugin.php on line 300[20-Aug-2025 19:55:34 UTC] PHP Warning: Undefined array key "post_type" in /public_html/wp-content/ plugins/ts-search-slug/plugin.php on line 300[20-Aug-2025 19:57:12 UTC] PHP Warning: Undefined array key "post_type" in /public_html/wp-content/plugins/ts-search- slug/plugin.php on line 300[20-Aug-2025 19:58:02 UTC] PHP Warning: Undefined array key "post_type" in /public_html/wp-content/plugins/ts-search-slug/plugin. php on line 300[20-Aug-2025 19:58:03 UTC] PHP Warning: Undefined array key "post_type" in /public_html/wp-content/plugins/ts-search-slug/plugin.php on line 300[20-Aug- 2025 19:59:11 UTC] PHP Warning: Undefined array key "post_type" in /public_html/ wp-content/plugins/ts-search-slug/plugin.php on line 300[20-Aug-2025 19:59:27 UTC] PHP Warning: Undefined array key "post_type" in /public_html/wp-content/ plugins/ts-search-slug/plugin.php on line 300 * Please advise. * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-warning-undefined-array-key-post_type%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 4 replies - 1 through 4 (of 4 total) * anonymized-15531514 * (@anonymized-15531514) * [9 months, 3 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-post_type/#post-18608028) * Hallo [@deputt](https://wordpress.org/support/users/deputt/) , thank you for your inquiry. I will look into it within the next few days and will let you know as soon as the issue is resolved. I apologize for the inconvenience. Best regards. * anonymized-15531514 * (@anonymized-15531514) * [9 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-post_type/#post-18610997) * Hello [@deputt](https://wordpress.org/support/users/deputt/) . thank you for your patience. * The error should be resolved. Please update the plugin to version 1.0.7. * Please contact me here if you experience any further problems or have suggestions for improvement. * Please be sure to let me know here if everything is working to your satisfaction. * I wish you a nice weekend. * Best regards * Thread Starter [deputt](https://wordpress.org/support/users/deputt/) * (@deputt) * [9 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-post_type/#post-18611981) * TQ, @tsinf , for the update which resolved the issue. God bless you 🙂 * anonymized-15531514 * (@anonymized-15531514) * [9 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-post_type/#post-18613982) * Hello [@deputt](https://wordpress.org/support/users/deputt/) . * I am very pleased that the error no longer occurs. If the plugin doesn’t work as expected again in the future, please let me know here in the support area. * Did you know that the plugin recently added new features? You can now search or sort by post ID, and more. However, these features must be enabled in the settings. * I’m glad you find the plugin useful. I would be very grateful for a review. * I hope you have a great time. Best regards. Viewing 4 replies - 1 through 4 (of 4 total) The topic ‘PHP Warning Undefined array key “post_type”’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/ts-search-slug.svg) * [TS Search Slug](https://wordpress.org/plugins/ts-search-slug/) * [Support Threads](https://wordpress.org/support/plugin/ts-search-slug/) * [Active Topics](https://wordpress.org/support/plugin/ts-search-slug/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/ts-search-slug/unresolved/) * [Reviews](https://wordpress.org/support/plugin/ts-search-slug/reviews/) ## Tags * [error_log](https://wordpress.org/support/topic-tag/error_log/) * [php](https://wordpress.org/support/topic-tag/php/) * [warning](https://wordpress.org/support/topic-tag/warning/) * 4 replies * 2 participants * Last reply from: anonymized-15531514 * Last activity: [9 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-post_type/#post-18613982) * Status: resolved