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Icon

Choose a FontAwesome icon.

icon option type — Theme Settings example 
$options = [
	'demo_icon' => [
		'label' => __( 'Icon', 'unysonplus' ),  // or false to hide the label column
		'type' => 'icon',
		'value' => 'fa fa-linux',
		'desc' => __( 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
			'unysonplus' ),
		'help' => sprintf( "%s \n\n'\"<br/><br/>\n\n <b>%s</b>",
			__( 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
				'unysonplus' ),
			__( 'Sed ut perspiciatis, unde omnis iste natus error sit voluptatem accusantium doloremque laudantium',
				'unysonplus' )
		),
		// — Optional attributes you can add —
		// 'attr' => [ 'class' => 'my-class', 'data-foo' => 'bar' ],  // extra HTML attributes
		// 'set' => 'font-awesome',  // icon set
	],
];

Reading the value​

icon returns a string — output it directly.

In a shortcode​

The shortcode framework passes the option values into view.php as $atts:

echo esc_html( $atts['demo_icon'] );

In a page template — a per-page option​

Options defined on a post/page (a metabox) are read with fw_get_db_post_option():

$value = fw_get_db_post_option( get_the_ID(), 'demo_icon' );
echo esc_html( $value );

When the field is one of several inside a box/group, read the whole group once and pick fields by key — the common CPT pattern (e.g. a review or book box):

$book = fw_get_db_post_option( get_the_ID(), 'book' );
echo esc_html( $book['demo_icon'] );

In Theme Settings — a global option​

Global options are read with fw_get_db_settings_option():

$value = fw_get_db_settings_option( 'demo_icon' );
echo esc_html( $value );

Saved value​

fw_print( fw_get_db_settings_option( 'demo_icon' ) ) outputs — the shape of this option type's stored value:

fas fa-star