WP_Widget_Block::form() WordPress Method

	public function form( $instance ) {
		$instance = wp_parse_args( (array) $instance, $this->default_instance );
		?>
		<p>
			<label for="<?php echo $this->get_field_id( 'content' ); ?>">
				<?php
				/* translators: HTML code of the block, not an option that blocks HTML. */
				_e( 'Block HTML:' );
				?>
			</label>
			<textarea id="<?php echo $this->get_field_id( 'content' ); ?>" name="<?php echo $this->get_field_name( 'content' ); ?>" rows="6" cols="50" class="widefat code"><?php echo esc_textarea( $instance['content'] ); ?></textarea>
		</p>
		<?php
	}