wp-includes/widgets/class-wp-widget-block.php:201Outputs the Block widget settings form.
$instancearray 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 }Introduced in 5.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/widgets/class-wp-widget-block.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.