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WP_Block::render( array $options = array() )

Generates the render output for the block.

Parameters

$options

(array) (Optional) Optional options object.

  • 'dynamic'
    (bool) Defaults to 'true'. Optionally set to false to avoid using the block's render_callback.

Default value: array()

Return

(string) Rendered block output.

Source

File: wp-includes/class-wp-block.php 

public function render( $options = array() ) {
		global $post;
		$options = wp_parse_args(
			$options,
			array(
				'dynamic' => true,
			)
		);

		$is_dynamic    = $options['dynamic'] && $this->name && null !== $this->block_type && $this->block_type->is_dynamic();
		$block_content = '';

		if ( ! $options['dynamic'] || empty( $this->block_type->skip_inner_blocks ) ) {
			$index = 0;
			foreach ( $this->inner_content as $chunk ) {
				$block_content .= is_string( $chunk ) ?
					$chunk :
					$this->inner_blocks[ $index++ ]->render();
			}
		}

		if ( $is_dynamic ) {
			$global_post   = $post;
			$block_content = (string) call_user_func( $this->block_type->render_callback, $this->attributes, $block_content, $this );
			$post          = $global_post;
		}

		if ( ! empty( $this->block_type->script ) ) {
			wp_enqueue_script( $this->block_type->script );
		}

		if ( ! empty( $this->block_type->style ) ) {
			wp_enqueue_style( $this->block_type->style );
		}

		/**
		 * Filters the content of a single block.
		 *
		 * @since 5.0.0
		 *
		 * @param string $block_content The block content about to be appended.
		 * @param array  $block         The full block, including name and attributes.
		 */
		return apply_filters( 'render_block', $block_content, $this->parsed_block );
	}

Uses

Uses Description
wp-includes/class-wp-block.php: render_block

Filters the content of a single block.
wp-includes/functions.wp-scripts.php: wp_enqueue_script()

Enqueue a script.
wp-includes/functions.php: wp_parse_args()

Merge user defined arguments into defaults array.
wp-includes/functions.wp-styles.php: wp_enqueue_style()

Enqueue a CSS stylesheet.
wp-includes/plugin.php: apply_filters()

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

Changelog

Version Description
5.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_block/render