apply_filters( 'render_block', string $block_content, array $block )

Filters the content of a single block.

Contents

Description Description

Parameters Parameters

$block_content

(string) The block content about to be appended.

$block

(array) The full block, including name and attributes.

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Source Source

File: wp-includes/blocks.php

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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: 5You must log in to vote on the helpfulness of this note
    Contributed by Khoi Pro —

    To add a div wrapper outside of some blocks (like core/paragraph or core/heading), you can add filter to render_block:

    // functions.php
function wporg_block_wrapper( $block_content, $block ) {
	if ( $block['blockName'] === 'core/paragraph' ) {
		$content = '<div class="wp-block-paragraph">';
		$content .= $block_content;
		$content .= '</div>';
		return $content;
	} elseif ( $block['blockName'] === 'core/heading' ) {
		$content = '<div class="wp-block-heading">';
		$content .= $block_content;
		$content .= '</div>';
		return $content;
	}
	return $block_content;
}

add_filter( 'render_block', 'wporg_block_wrapper', 10, 2 );

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