Title: PHP Warning: in_array() expects parameter 2 to be array, bool given in
Last modified: June 17, 2021

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# PHP Warning: in_array() expects parameter 2 to be array, bool given in

 *  [Rookie](https://wordpress.org/support/users/alriksson/)
 * (@alriksson)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/php-warning-in_array-expects-parameter-2-to-be-array-bool-given-in/)
 * `[Wed Jun 16 03:33:20.250024 2021] [proxy_fcgi:error] [pid 21646:tid 139719530649344][
   client hidden-server-ip:36386] AH01071: Got error 'PHP message: PHP Warning: 
   in_array() expects parameter 2 to be array, bool given in /public_html/wp-content/
   mu-plugins/wpacu-plugins-filter.php on line 23'`
 * See above error in the error log

The topic ‘PHP Warning: in_array() expects parameter 2 to be array, bool given in’
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 * Last reply from: [Rookie](https://wordpress.org/support/users/alriksson/)
 * Last activity: [4 years, 11 months ago](https://wordpress.org/support/topic/php-warning-in_array-expects-parameter-2-to-be-array-bool-given-in/)
 * Status: not resolved