render_block │ filter-hook │ WP 5.0.0

Filters the content of a single block.

Usage

add_filter( 'render_block', 'wp_kama_render_block_filter', 10, 3 );

/**
 * Function for `render_block` filter-hook.
 * 
 * @param string   $block_content The block content about to be appended.
 * @param array    $block         The full block, including name and attributes.
 * @param WP_Block $instance      The block instance.
 *
 * @return string
 */
function wp_kama_render_block_filter( $block_content, $block, $instance ){

	// filter...
	return $block_content;
}

$block_content(string)

The block content about to be appended.

$block(array)

The full block, including name and attributes.

$instance(WP_Block)

The block instance.

Changelog

Where the hook is called

$block_content = apply_filters( 'render_block', $block_content, $this->parsed_block, $this );

Where the hook is used in WordPress

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

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

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

add_filter( 'render_block', $callback_separate, 10, 2 );