WP_Block_Type::render( array $attributes = array(), string $content = '' )

Source

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

public function render( $attributes = array(), $content = '' ) {
		if ( ! $this->is_dynamic() ) {
			return '';
		}

		$attributes = $this->prepare_attributes_for_render( $attributes );

		return (string) call_user_func( $this->render_callback, $attributes, $content );
	}