/**
* Get the value of a field.
* This is a deprecated function that we in use when there was no API.
* Please use the Nova::get_option() method instead.
* Documentation is available for the new method on https://github.com/aristath/nova/wiki/Getting-the-values
*
* @return mixed
*/
function nova_get_option($option = '')
{
return Nova::get_option('', $option);
}
/**
* Build the variables.
*
* @return array ('variable-name' => value)
*/
public function get_variables()
{
$variables = array();
/**
* Loop through all fields
*/
foreach (Nova::$fields as $field) {
/**
* Check if we have variables for this field
*/
if (isset($field['variables']) && false != $field['variables'] && !empty($field['variables'])) {
/**
* Loop through the array of variables
*/
foreach ($field['variables'] as $field_variable) {
/**
* Is the variable ['name'] defined?
* If yes, then we can proceed.
*/
if (isset($field_variable['name'])) {
/**
* Sanitize the variable name
*/
$variable_name = esc_attr($field_variable['name']);
/**
* Do we have a callback function defined?
* If not then set $variable_callback to false.
*/
$variable_callback = isset($field_variable['callback']) && is_callable($field_variable['callback']) ? $field_variable['callback'] : false;
/**
* If we have a variable_callback defined then get the value of the option
* and run it through the callback function.
* If no callback is defined (false) then just get the value.
*/
if ($variable_callback) {
$variables[$variable_name] = call_user_func($field_variable['callback'], Nova::get_option(Nova_Field_Sanitize::sanitize_settings($field)));
} else {
$variables[$variable_name] = Nova::get_option($field['settings']);
}
}
}
}
}
/**
* Pass the variables through a filter ('nova/variable')
* and return the array of variables
*/
return apply_filters('nova/variable', $variables);
}
