excerpt_allowed_blocks

What is WordPress Hook: excerpt_allowed_blocks

The excerpt_allowed_blocks hook in WordPress is used to control which blocks are allowed in the post excerpt. This hook allows developers to customize the blocks that can be included in the post excerpt, providing greater control over the content that is displayed in various contexts.

Understanding the Hook: excerpt_allowed_blocks

The excerpt_allowed_blocks hook is located within the WordPress block editor, specifically in the function that generates the post excerpt. By using this hook, developers can specify which blocks are permitted in the excerpt, ensuring that only relevant and appropriate content is included.

Hook Parameters (if applicable): excerpt_allowed_blocks

The excerpt_allowed_blocks hook does not accept any parameters. It simply allows developers to define an array of allowed block types for the post excerpt.

Hook Doesn’t Work: excerpt_allowed_blocks

If the excerpt_allowed_blocks hook doesn’t seem to be working as expected, it could be due to conflicts with other plugins or themes that are also modifying the post excerpt behavior. To troubleshoot this issue, developers should deactivate other plugins and switch to a default theme to see if the problem persists.

Best Practices & Usage Notes (if applicable): excerpt_allowed_blocks

When using the excerpt_allowed_blocks hook, it’s important to consider the impact on the user experience. Limiting the allowed blocks in the post excerpt should be done thoughtfully to ensure that essential content is not excluded. Additionally, developers should be aware that some blocks may not function as expected in the post excerpt, so testing is crucial.

Usage Example: excerpt_allowed_blocks

“`php
function custom_excerpt_allowed_blocks() {
$allowed_blocks = array(
‘core/paragraph’,
‘core/image’,
‘core/heading’
);
return $allowed_blocks;
}
add_filter(‘excerpt_allowed_blocks’, ‘custom_excerpt_allowed_blocks’);
“`

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