CODE EXAMPLE FOR PHP

checkbox options wordpress

<?php $options = get_option( 'myoption' ); ?>
<input type="checkbox" name="myoption[option_one]" value="1"<?php checked( 1 == $options['option_one'] ); ?> />
<input type="checkbox" name="myoption[option_two]" value="1"<?php checked( 1 == $options['option_two'] ); ?> />