has_blocks( int|string|WP_Post|null $post = null )
Determines whether a post or content string has blocks.
Contents
Description
This test optimizes for performance rather than strict accuracy, detecting the pattern of a block but not validating its structure. For strict accuracy, you should use the block parser on post content.
See also
Parameters
- $post
-
(int|string|WP_Post|null) (Optional) Post content, post ID, or post object. Defaults to global $post.
Default value: null
Return
(bool) Whether the post has blocks.
Source
File: wp-includes/blocks.php
function has_blocks( $post = null ) { if ( ! is_string( $post ) ) { $wp_post = get_post( $post ); if ( $wp_post instanceof WP_Post ) { $post = $wp_post->post_content; } } return false !== strpos( (string) $post, '<!-- wp:' ); }
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Changelog
Version | Description |
---|---|
5.0.0 | Introduced. |
User Contributed Notes
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1. We can use this function to pass a flag to indicate if content has blocks when we have decoupled environment, where WP is backend and frontend is implemented in some other language.
2. We can convert (parse) block output as per our requirement and pass it in the API. While, converting it can be useful to check if the content has any block. This will let us pass content efficiently by implementing parsing when it is necessary.
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