Title: Topic Tag: valid callback | WordPress.org --- # Topic Tag: valid callback - Topic - Participants - Replies - Last Post * - [Problem with payment confirmation on my site](https://wordpress.org/support/topic/problem-with-payment-confirmation-on-my-site/) - Started by: [ltimaee480](https://wordpress.org/support/users/ltimaee480/) - 2 - 2 - [2 years, 11 months ago](https://wordpress.org/support/topic/problem-with-payment-confirmation-on-my-site/#post-16732904) - [ltimaee480](https://wordpress.org/support/users/ltimaee480/) * - [PHP error on ‘redirect_wp_footer’, but string not found](https://wordpress.org/support/topic/php-error-on-redirect_wp_footer-but-string-not-found/) - Started by: [liqih](https://wordpress.org/support/users/liqih/) - 2 - 1 - [4 years ago](https://wordpress.org/support/topic/php-error-on-redirect_wp_footer-but-string-not-found/#post-15534543) - [James Huff](https://wordpress.org/support/users/macmanx/) * - [call_user_func_array()](https://wordpress.org/support/topic/call_user_func_array-8/) - Started by: [marialures](https://wordpress.org/support/users/marialures/) - 2 - 3 - [4 years, 10 months ago](https://wordpress.org/support/topic/call_user_func_array-8/#post-14477655) - [marialures](https://wordpress.org/support/users/marialures/) * - [[If Menu - Visibility control for Menus] PHP Warning – From update or an error on my side?](https://wordpress.org/support/topic/php-warning-from-update-or-an-error-on-my-side/) - Started by: [KicknGuitar](https://wordpress.org/support/users/kicknguitar/) - 6 - 11 - [7 years, 8 months ago](https://wordpress.org/support/topic/php-warning-from-update-or-an-error-on-my-side/#post-10519733) - [Andrei](https://wordpress.org/support/users/andreiigna/) * - [[Twenty Seventeen] call_user_func_array() expects parameter 1 to be a valid callback](https://wordpress.org/support/topic/call_user_func_array-expects-parameter-1-to-be-a-valid-callback-13/) - Started by: [sleeplessindc](https://wordpress.org/support/users/sleeplessindc/) - 2 - 3 - [8 years, 1 month ago](https://wordpress.org/support/topic/call_user_func_array-expects-parameter-1-to-be-a-valid-callback-13/#post-9992012) - [sleeplessindc](https://wordpress.org/support/users/sleeplessindc/) * - [Newbie pdated plugins and seeing Warning: call_user_func_array() expects paramet](https://wordpress.org/support/topic/newbie-pdated-plugins-and-seeing-warning-call_user_func_array-expects-paramet/) - Started by: [Sandra Vasquez](https://wordpress.org/support/users/proecoazuero/) - 2 - 2 - [9 years, 1 month ago](https://wordpress.org/support/topic/newbie-pdated-plugins-and-seeing-warning-call_user_func_array-expects-paramet/#post-8799048) - [Sandra Vasquez](https://wordpress.org/support/users/proecoazuero/) * - [[Visual Term Description Editor] Error in admin](https://wordpress.org/support/topic/error-in-admin-5/) - Started by: [MKay](https://wordpress.org/support/users/mongia/) - 2 - 2 - [9 years, 10 months ago](https://wordpress.org/support/topic/error-in-admin-5/#post-7391710) - [MKay](https://wordpress.org/support/users/mongia/) * - [[Translate Wordpress with GTranslate] A lot of errors](https://wordpress.org/support/topic/a-lot-of-errors-6/) - Started by: [ramonjosegn](https://wordpress.org/support/users/ramonjosegn/) - 2 - 2 - [10 years, 2 months ago](https://wordpress.org/support/topic/a-lot-of-errors-6/#post-6898450) - [ramonjosegn](https://wordpress.org/support/users/ramonjosegn/) * - [[CCAvenue Payment Gateway for WooCommerce] After Success payment getting warning](https://wordpress.org/support/topic/after-success-payment-getting-warning/) [1](https://wordpress.org/support/topic/after-success-payment-getting-warning/?output_format=md) [2](https://wordpress.org/support/topic/after-success-payment-getting-warning/page/2/?output_format=md) - Started by: [maxferns](https://wordpress.org/support/users/maxferns/) - 9 - 16 - [9 years, 11 months ago](https://wordpress.org/support/topic/after-success-payment-getting-warning/page/2/#post-6834041) - [WebGuruSana](https://wordpress.org/support/users/webgurusana/) * - [[Jetpack - WP Security, Backup, Speed, & Growth] Warning: call_user_func() expects parameter 1 to be a valid callback](https://wordpress.org/support/topic/warning-call_user_func-expects-parameter-1-to-be-a-valid-callback-2/) - Started by: [lplightle](https://wordpress.org/support/users/lplightle/) - 2 - 3 - [11 years, 9 months ago](https://wordpress.org/support/topic/warning-call_user_func-expects-parameter-1-to-be-a-valid-callback-2/#post-5077485) - [csonnek](https://wordpress.org/support/users/csonnek/) * - [Warning: call_user_func() expects parameter 1 to be a valid callback](https://wordpress.org/support/topic/warning-call_user_func-expects-parameter-1-to-be-a-valid-callback-1/) - Started by: [lplightle](https://wordpress.org/support/users/lplightle/) - 1 - 0 - [11 years, 9 months ago](https://wordpress.org/support/topic/warning-call_user_func-expects-parameter-1-to-be-a-valid-callback-1/) - [lplightle](https://wordpress.org/support/users/lplightle/) * - [Getting error message on Jetpack contact form that used to work](https://wordpress.org/support/topic/getting-error-message-on-jetpack-contact-form-that-used-to-work/) - Started by: [lplightle](https://wordpress.org/support/users/lplightle/) - 1 - 0 - [11 years, 9 months ago](https://wordpress.org/support/topic/getting-error-message-on-jetpack-contact-form-that-used-to-work/) - [lplightle](https://wordpress.org/support/users/lplightle/) * - [[Slippy Slider - Responsive Touch Navigation Slider] First argument expected to be valid callback](https://wordpress.org/support/topic/first-argument-expected-to-be-valid-callback/) - Started by: [dbraxton](https://wordpress.org/support/users/dbraxton/) - 3 - 3 - [12 years, 4 months ago](https://wordpress.org/support/topic/first-argument-expected-to-be-valid-callback/#post-4246781) - [Damiaan van Vliet](https://wordpress.org/support/users/damnsharp/) * - [Warning function array – advice please!](https://wordpress.org/support/topic/warning-function-array-advice-please/) - Started by: [thehels](https://wordpress.org/support/users/thehels/) - 3 - 3 - [12 years, 7 months ago](https://wordpress.org/support/topic/warning-function-array-advice-please/#post-4034797) - [thehels](https://wordpress.org/support/users/thehels/) * - [[eShop] 6.3.7 breaks call_user_func_array](https://wordpress.org/support/topic/637-breaks-call_user_func_array/) - Started by: [Ryan Zook](https://wordpress.org/support/users/zookcomputer/) - 3 - 10 - [13 years, 2 months ago](https://wordpress.org/support/topic/637-breaks-call_user_func_array/#post-3371528) - [esmi](https://wordpress.org/support/users/esmi/) * - [Fanpage Connect Plugin issue](https://wordpress.org/support/topic/fanpage-connect-plugin-issue/) - Started by: [fancyfr2](https://wordpress.org/support/users/fancyfr2/) - 1 - 0 - [14 years, 9 months ago](https://wordpress.org/support/topic/fanpage-connect-plugin-issue/) - [fancyfr2](https://wordpress.org/support/users/fancyfr2/) * - [Warning Message](https://wordpress.org/support/topic/warning-message-6/) - Started by: [MDBlogs](https://wordpress.org/support/users/mdblogs/) - 2 - 3 - [16 years, 8 months ago](https://wordpress.org/support/topic/warning-message-6/#post-1162464) - [whooami](https://wordpress.org/support/users/whooami/) *   ## 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/)