$redux_demo = get_option( 'redux_demo' ); if ( ! empty ( $redux_demo[ 10 ] ) and 1 === $redux_demo[ 10 ] ) { print '<h1>Text</h1>'; }
<?php if(get_option('redux_demo[10]')) { ?> <h1>Text</h1> <?php }?>
<?php if(get_option('redux_demo[10]') === 1) { ?> <h1>Text</h1> <?php }?>
<?php global $redux_demo; if( $redux_demo['10'] === 1 ) { ?> <h1>Text</h1> <?php } ?>