Fix Fatal for unregistered taxonomy (#26851) #26854
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gziolo
approved these changes
Nov 14, 2020
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Thanks for catching this one. I see that you are right about get_the_terms and its return value.
Should we add this check to the existing condition?
| @@ -19,6 +19,9 @@ function render_block_core_post_hierarchical_terms( $attributes, $content, $bloc | |||
| } | |||
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| $post_hierarchical_terms = get_the_terms( $block->context['postId'], $attributes['term'] ); | |||
| if ( is_wp_error( $post_hierarchical_terms ) ) { | |||
| return ''; | |||
| } | |||
| if ( empty( $post_hierarchical_terms ) ) { | |||
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This new condition could be combined with empty check.
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Agreed. What do the coding guidelines say?
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I'm not aware of coding styles that cover it. I can merge as is if you prefer.
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Yes please. Then I can continue working on PRs for other issues.
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Description
When the
core/post-hierarchical-termsblock has been passed an invalid taxonomy name for thetermattribute it produced a Fatal error due to not detecting a WordPress error (WP_errorobject ) returned fromget_the_terms().This fix adds an
is_wp_error()test, returning an empty string when detected.How has this been tested?
Tested with Twenty Twenty-One Blocks in WordPress 5.6-beta3
I manually created a post using the code editor containing.
Prior to applying the fix I got the Fatal error.
After applying the fix the output showed the taxonomy terms associated with Categories.
There was no visible output for the unknown taxonomy.
With the fix applied the post could be viewed and edited, using both the Code and Visual editor.
Screenshots
Types of changes
Fixes #26851
Checklist: