Title: Topic Tag: array_key_exists | WordPress.org --- # Topic Tag: array_key_exists - Topic - Participants - Replies - Last Post * - [[Royal Addons for Elementor – Addons and Templates Kit for Elementor] array_key_exists() – Causing Fatal Error](https://wordpress.org/support/topic/array_key_exists-causing-fatal-error/) - Started by: [bmashile](https://wordpress.org/support/users/bmashile/) - 2 - 1 - [10 months ago](https://wordpress.org/support/topic/array_key_exists-causing-fatal-error/#post-18576419) - [Sophia Support](https://wordpress.org/support/users/marsismyhome/) * - [PHP Warning: array_key_exists(): The first argument …](https://wordpress.org/support/topic/php-warning-array_key_exists-the-first-argument/) - Started by: [al3ilm](https://wordpress.org/support/users/al3ilm/) - 3 - 2 - [4 years ago](https://wordpress.org/support/topic/php-warning-array_key_exists-the-first-argument/#post-15682809) - [al3ilm](https://wordpress.org/support/users/al3ilm/) * - [[Yoast SEO - Advanced SEO with real-time guidance and built-in AI] Warning: array_key_exists() expects parameter 2 to be array](https://wordpress.org/support/topic/warning-array_key_exists-expects-parameter-2-to-be-array-8/) - Started by: [sergo2003](https://wordpress.org/support/users/sergo2003/) - 5 - 13 - [5 years, 3 months ago](https://wordpress.org/support/topic/warning-array_key_exists-expects-parameter-2-to-be-array-8/#post-14036648) - [sergo2003](https://wordpress.org/support/users/sergo2003/) * - [[WooCommerce] class-wc-helper-options.php](https://wordpress.org/support/topic/class-wc-helper-options-php-2/) - Started by: [sguilliard](https://wordpress.org/support/users/sguilliard/) - 2 - 2 - [5 years, 9 months ago](https://wordpress.org/support/topic/class-wc-helper-options-php-2/#post-13253692) - [sguilliard](https://wordpress.org/support/users/sguilliard/) * - [[Fonts Plugin | Google Fonts, Adobe Fonts & Upload Fonts] Warning: array_key_exists()](https://wordpress.org/support/topic/warning-array_key_exists-20/) - Started by: [rafafallo](https://wordpress.org/support/users/rafafallo/) - 2 - 2 - [5 years, 11 months ago](https://wordpress.org/support/topic/warning-array_key_exists-20/#post-13040219) - [rafafallo](https://wordpress.org/support/users/rafafallo/) * - [[Reviews and Rating – Google Reviews] Errror](https://wordpress.org/support/topic/errror/) - Started by: [MarkiMA75](https://wordpress.org/support/users/markima75/) - 2 - 3 - [6 years, 6 months ago](https://wordpress.org/support/topic/errror/#post-12119982) - [MarkiMA75](https://wordpress.org/support/users/markima75/) * - [[BackWPup – WordPress Backup & Restore Plugin] array_key_exists() expects parameter 2 to be array](https://wordpress.org/support/topic/array_key_exists-expects-parameter-2-to-be-array-3/) - Started by: [shawnmandel](https://wordpress.org/support/users/shawnmandel/) - 3 - 2 - [6 years, 9 months ago](https://wordpress.org/support/topic/array_key_exists-expects-parameter-2-to-be-array-3/#post-11847554) - [pepe](https://wordpress.org/support/users/pputzer/) * - [[WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance] array_key_exists() expects parameter 2 to be array](https://wordpress.org/support/topic/array_key_exists-expects-parameter-2-to-be-array-2/) - Started by: [Didier77](https://wordpress.org/support/users/didier77/) - 2 - 1 - [7 years, 7 months ago](https://wordpress.org/support/topic/array_key_exists-expects-parameter-2-to-be-array-2/#post-10786209) - [David Anderson / Team Updraft](https://wordpress.org/support/users/davidanderson/) * - [[Front Page Scheduler] Plugin Is Causing Problem](https://wordpress.org/support/topic/plugin-is-causing-problem/) - Started by: [Reyazul Masud Riham](https://wordpress.org/support/users/rihamd2k/) - 1 - 0 - [8 years, 8 months ago](https://wordpress.org/support/topic/plugin-is-causing-problem/) * - [[Tailor Page Builder] Help! Expects parameter 2 to be array, null given in …](https://wordpress.org/support/topic/help-expects-parameter-2-to-be-arry-null-given-in/) - Started by: [benormstad](https://wordpress.org/support/users/benormstad/) - 4 - 6 - [8 years, 10 months ago](https://wordpress.org/support/topic/help-expects-parameter-2-to-be-arry-null-given-in/#post-9335797) - [takinours](https://wordpress.org/support/users/takinours/) * - [Plugin errors after updating wordpress](https://wordpress.org/support/topic/plugin-errors-after-updating-wordpress/) - Started by: [bilslandlewis](https://wordpress.org/support/users/bilslandlewis/) - 3 - 4 - [9 years ago](https://wordpress.org/support/topic/plugin-errors-after-updating-wordpress/#post-9090175) - [bilslandlewis](https://wordpress.org/support/users/bilslandlewis/) * - [Paid Plugin Problems](https://wordpress.org/support/topic/paid-plugin-problems/) - Started by: [mohammad barghamadi](https://wordpress.org/support/users/mbarghamadi/) - 1 - 1 - [10 years, 2 months ago](https://wordpress.org/support/topic/paid-plugin-problems/#post-7157144) - [mohammad barghamadi](https://wordpress.org/support/users/mbarghamadi/) * - [[Events Manager - Calendar, Bookings, Tickets, and more!] Translating issues](https://wordpress.org/support/topic/translating-issues-1/) - Started by: [comepot](https://wordpress.org/support/users/comepot/) - 4 - 3 - [9 years, 8 months ago](https://wordpress.org/support/topic/translating-issues-1/#post-8140005) - [stepo](https://wordpress.org/support/users/stepo/) * - [[User Registration Aide] Getting php warning on registration page](https://wordpress.org/support/topic/getting-php-warning-on-registration-page/) - Started by: [jgibson12](https://wordpress.org/support/users/jgibson12/) - 3 - 5 - [10 years, 7 months ago](https://wordpress.org/support/topic/getting-php-warning-on-registration-page/#post-6598228) - [bnovotny](https://wordpress.org/support/users/bnovotny/) * - [[Sermon Manager Import] PHP error](https://wordpress.org/support/topic/php-error-121/) - Started by: [jmccarty](https://wordpress.org/support/users/jmccarty/) - 2 - 1 - [11 years ago](https://wordpress.org/support/topic/php-error-121/#post-5783645) - [khornberg](https://wordpress.org/support/users/khornberg/) * - [[Smart Layers by AddThis] "Warning: array_key_exists() expects…" error](https://wordpress.org/support/topic/warning-array_key_exists-expects-error/) - Started by: [hunterhogan](https://wordpress.org/support/users/hunterhogan/) - 3 - 4 - [12 years ago](https://wordpress.org/support/topic/warning-array_key_exists-expects-error/#post-4867198) - [Srijith V](https://wordpress.org/support/users/srijithv/) * - [[Simple Image Sizes] Error message above resize section](https://wordpress.org/support/topic/error-message-above-resize-section/) - Started by: [aglyons](https://wordpress.org/support/users/aglyons/) - 1 - 0 - [12 years, 2 months ago](https://wordpress.org/support/topic/error-message-above-resize-section/) - [aglyons](https://wordpress.org/support/users/aglyons/) * - [[Akismet Anti-spam: Spam Protection] array_key_exists error](https://wordpress.org/support/topic/array_key_exists-error-1/) - Started by: [Tim](https://wordpress.org/support/users/n7studios/) - 2 - 1 - [12 years, 6 months ago](https://wordpress.org/support/topic/array_key_exists-error-1/#post-4306570) - [Brian Shim](https://wordpress.org/support/users/brianrshim/) * - [[Jetpack - WP Security, Backup, Speed, & Growth] HELP ! Problem function.array-key-exists](https://wordpress.org/support/topic/help-problem-functionarray-key-exists/) - Started by: [Robert Cadar](https://wordpress.org/support/users/robert-cadar/) - 5 - 10 - [13 years, 5 months ago](https://wordpress.org/support/topic/help-problem-functionarray-key-exists/#post-3273735) - [Mazzastick](https://wordpress.org/support/users/mazzastick/) * - [Warning: array_key_exists()](https://wordpress.org/support/topic/warning-array_key_exists-3/) - Started by: [Nahin](https://wordpress.org/support/users/nahin/) - 5 - 6 - [13 years, 5 months ago](https://wordpress.org/support/topic/warning-array_key_exists-3/#post-3190261) - [wvrijn](https://wordpress.org/support/users/wvrijn/) * - [[Sync Facebook Events] [Plugin: Sync Facebook Events] array_key_exists](https://wordpress.org/support/topic/plugin-sync-facebook-events-array_key_exists/) - Started by: [mluke3](https://wordpress.org/support/users/mluke3/) - 2 - 1 - [13 years, 7 months ago](https://wordpress.org/support/topic/plugin-sync-facebook-events-array_key_exists/#post-3060912) - [markp_2000](https://wordpress.org/support/users/markp_2000/) * - [[Googlyzer] [Plugin: Googlyzer] Error message on dashboard](https://wordpress.org/support/topic/plugin-googlyzer-error-message-on-dashboard/) - Started by: [kirky](https://wordpress.org/support/users/kirky/) - 2 - 5 - [13 years, 11 months ago](https://wordpress.org/support/topic/plugin-googlyzer-error-message-on-dashboard/#post-2800504) - [wmsedgar](https://wordpress.org/support/users/wmsedgar/) * - [Sidebar error message Warning: array_key_exists() [function.array-key-exists]](https://wordpress.org/support/topic/sidebar-error-message-warning-array_key_exists-functionarray-key-exists/) - Started by: [dallasm](https://wordpress.org/support/users/dallasm/) - 3 - 3 - [14 years, 11 months ago](https://wordpress.org/support/topic/sidebar-error-message-warning-array_key_exists-functionarray-key-exists/#post-2115102) - [Ipstenu (Mika Epstein)](https://wordpress.org/support/users/ipstenu/) * - [2.7 Upload New Media – Warning: array_key_exists()](https://wordpress.org/support/topic/27-upload-new-media-warning-array_key_exists/) - Started by: [emilb](https://wordpress.org/support/users/emilb/) - 9 - 11 - [17 years, 1 month ago](https://wordpress.org/support/topic/27-upload-new-media-warning-array_key_exists/#post-923288) - [akcakaya](https://wordpress.org/support/users/akcakaya/) * - [Warning: array_key_exists()](https://wordpress.org/support/topic/warning-array_key_exists/) - Started by: [blt-fqx](https://wordpress.org/support/users/blt-fqx/) - 6 - 8 - [18 years, 1 month ago](https://wordpress.org/support/topic/warning-array_key_exists/#post-614350) - [flammable](https://wordpress.org/support/users/flammable/) *   ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics ## Feeds * [RSS Recent Posts](https://wordpress.org/support/forums/feed/) * [RSS Recent Topics](https://wordpress.org/support/topics/feed/)