Title: Warning: Undefined array key / Deprecated: explode()
Last modified: July 21, 2025

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# Warning: Undefined array key / Deprecated: explode()

 *  [Jim Garrigan](https://wordpress.org/support/users/garrigan/)
 * (@garrigan)
 * [10 months, 2 weeks ago](https://wordpress.org/support/topic/warning-undefined-array-key-deprecated-explode/)
 * Hello
 * Warning: Undefined array key “yttype” in /usr/share/nginx/html/www/wp-content/
   plugins/rss-for-yandex-turbo/rss-for-yandex-turbo.php on line 4043
 * 
   Deprecated: explode(): Passing null to parameter #2 ($string) of type string
   is deprecated in /usr/share/nginx/html/www/wp-content/plugins/rss-for-yandex-
   turbo/rss-for-yandex-turbo.php on line 4043
 * <font _mstmutation=”1″></font>

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 * 0 replies
 * 1 participant
 * Last reply from: [Jim Garrigan](https://wordpress.org/support/users/garrigan/)
 * Last activity: [10 months, 2 weeks ago](https://wordpress.org/support/topic/warning-undefined-array-key-deprecated-explode/)
 * Status: not resolved