parse_blocks( string $content )

Parses blocks out of a content string.

Contents

Parameters Parameters

$content

(string) (Required) Post content.

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Return Return

(array[]) Array of parsed block objects.

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Source Source

File: wp-includes/blocks.php 

function parse_blocks( $content ) {
	/**
	 * Filter to allow plugins to replace the server-side block parser
	 *
	 * @since 5.0.0
	 *
	 * @param string $parser_class Name of block parser class.
	 */
	$parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' );

	$parser = new $parser_class();
	return $parser->parse( $content );
}

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Uses Uses

Uses
Uses Description
wp-includes/blocks.php: block_parser_class

Filter to allow plugins to replace the server-side block parser
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.

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Used By Used By

Used By
Used By Description
wp-includes/blocks.php: filter_block_content()

Filters and sanitizes block content to remove non-allowable HTML from parsed block attribute values.
wp-includes/blocks.php: do_blocks()

Parses dynamic blocks out of post_content and re-renders them.
wp-includes/blocks.php: excerpt_remove_blocks()

Parses blocks out of a content string, and renders those appropriate for the excerpt.

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Changelog Changelog

Changelog
Version Description
5.0.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 2You must log in to vote on the helpfulness of this note
    Contributed by Jb Audras —

    Example of returned array for a Paragraph block:

    array ( 
	0 => array ( 
		'blockName' => 'core/paragraph', 
		'attrs' => array ( 
			'textColor' => 'vivid-red', 
			'backgroundColor' => 'luminous-vivid-amber',
		), 
		'innerBlocks' => array (
			/* Child blocks if they exists (used in Column Block for example) */
		), 
		'innerHTML' => 'This is a block content!', 
		'innerContent' => array (
			0 => 'This is a block content!',
		), 
	),
)

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  2. Skip to note 2 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by AndrĂ©s —

    As of Gutenberg 7.7, for this input:

    <!-- wp:paragraph {
    "placeholder":"Summary",
    "textColor":"accent",
    "backgroundColor":"secondary"
} -->
<p class="has-text-color has-background has-accent-color has-secondary-background-color">
This is a new paragraph.
</p>
<!-- /wp:paragraph -->

    the output of parse_blocks will be:

    Array
(
  [0] => Array
    (
      [blockName] => core/paragraph
      [attrs] => Array
        (
          [placeholder] => Summary
          [textColor] => accent
          [backgroundColor] => secondary
        )
      [innerBlocks] => Array()
      [innerHTML] => <p class="has-text-color has-background has-accent-color has-secondary-background-color">This is a new paragraph.</p>
      [innerContent] => Array
        (
          [0] => <p class="has-text-color has-background has-accent-color has-secondary-background-color">This is a new paragraph.</p>
        )
      )
)

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