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Number

An HTML5 number input with optional min / max / step. Saved as integer or float depending on numeric_type / step.

Integer​

Option type — Theme Settings example 
$options = [
	'demo_number' => [
		'label' => __( 'Number', 'unysonplus' ),
		'type' => 'number',
		'value' => 7,
		'min' => 0,
		'max' => 100,
		'step' => 1,
		'numeric_type' => 'integer',
		'desc' => __( 'HTML5 number input with min/max/step. Saved as integer.', 'unysonplus' ),
	],
];

Float​

Option type — Theme Settings example 
$options = [
	'demo_number_float' => [
		'label' => __( 'Number (float)', 'unysonplus' ),
		'type' => 'number',
		'value' => 1.5,
		'step' => 0.1,
		'desc' => __( 'Unbounded number input. Saved as float.', 'unysonplus' ),
	],
];

Reading the value​

number returns an integer — output it directly.

In a shortcode​

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

echo (int) $atts['demo_number'];

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_number' );
echo (int) $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 (int) $book['demo_number'];

In Theme Settings — a global option​

Global options are read with fw_get_db_settings_option():

$value = fw_get_db_settings_option( 'demo_number' );
echo (int) $value;

Saved value​

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

42