Smart Options via the SLP_SmartOptions class (include/module/smartoptions/SLP_SmartOptions.php) handles nearly all of the settings (options in WordPress parlance) for the Store Locator Plus® plugin.
Methods
get_ValueOf( <property:string> )
Get the value of a Smart Option.
Check if a given property exists and return the value.
@param string $property The property to check.
@return bool Returns true if the property exists and is not null, and its 'is_true' property is true. Otherwise, returns false.

is_true( <property:string)
Check if a given property is true.
@param string $property The property to check.
@return bool Returns true if the property exists and is not null, and its ‘is_true’ property is true. Otherwise, returns false.
if ( SLP_SmartOptions::get_instance()->is_true( 'use_territory_bounds' ) ) {
$this->add_territory_bounds();
}
