Title: PHP Warning: Undefined variable $schema
Last modified: March 17, 2023

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# PHP Warning: Undefined variable $schema

 *  Resolved [shindevijaykr](https://wordpress.org/support/users/shindevijaykr/)
 * (@shindevijaykr)
 * [3 years, 2 months ago](https://wordpress.org/support/topic/php-warning-undefined-variable-schema/)
 * On PHP 8 we are getting the below warning message for code snippet.
 * 2023/03/17 09:32:19 [error] 29772#29772: *8368 FastCGI sent in stderr: “PHP message:
   PHP Warning: Undefined variable $schema in /www/oursite_428/public/wp-content/
   plugins/code-snippets/php/snippet-ops.php(504) : eval()’d code on line 2”, client:
   2620:100:a005:400::4, server:
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-warning-undefined-variable-schema%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [Shea Bunge](https://wordpress.org/support/users/bungeshea/)
 * (@bungeshea)
 * [3 years, 2 months ago](https://wordpress.org/support/topic/php-warning-undefined-variable-schema/#post-16569736)
 * Hi [@shindevijaykr](https://wordpress.org/support/users/shindevijaykr/),
 * This error is coming from one of your snippets: you are trying to use a variable
   called `$schema` that has not being defined.
 * You should be able to find which one with a search for `$schema @line:2`

Viewing 1 replies (of 1 total)

The topic ‘PHP Warning: Undefined variable $schema’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Shea Bunge](https://wordpress.org/support/users/bungeshea/)
 * Last activity: [3 years, 2 months ago](https://wordpress.org/support/topic/php-warning-undefined-variable-schema/#post-16569736)
 * Status: resolved