File: //proc/thread-self/cwd/wp-content/plugins/automatewoo/includes/Fields/Checkbox.php
<?php
// phpcs:ignoreFile
namespace AutomateWoo\Fields;
use AutomateWoo\Formatters\Boolean_Formatter;
use AutomateWoo\Formatters\Formattable;
if ( ! defined( 'ABSPATH' ) ) exit;
/**
 * @class Checkbox
 */
class Checkbox extends Field implements Formattable {
	use Boolean_Formatter;
	protected $name = 'checkbox';
	protected $type = 'checkbox';
	public $default_to_checked = false;
	function __construct() {
		parent::__construct();
		$this->set_title( __( 'Checkbox', 'automatewoo' ) );
	}
	/**
	 * @param bool $checked
	 * @return $this
	 */
	function set_default_to_checked( $checked = true ) {
		$this->default_to_checked = $checked;
		return $this;
	}
	/**
	 * @param $value
	 */
	function render( $value ) {
		if ( $value === null || $value === '' ) {
			$value = $this->default_to_checked;
		}
		?>
		<input type="checkbox"
			 name="<?php echo esc_attr( $this->get_full_name() ); ?>"
			 value="1"
			 <?php echo ( $value ? 'checked' : '' ) ?>
			 class="<?php echo esc_attr( $this->get_classes() ) ?>"
			<?php $this->output_extra_attrs(); ?>
			>
	<?php
	}
	/**
	 * Sanitizes the value of the field.
	 *
	 * @since 4.4.0
	 *
	 * @param string $value
	 *
	 * @return string
	 */
	function sanitize_value( $value ) {
		return (bool) $value;
	}
}