/**
* Sanitize a variable of unknown type.
*
* Recursive helper function to sanitize a variable from input,
* which could also be a multidimensional array of variable depth.
*
* @since 3.0.0
*
* @param mixed $var Variable to sanitize.
* @param string $func Function to use for sanitizing text strings (default 'sanitize_text_field')
*
* @return array|string Sanitized variable
*/
function simcal_sanitize_input($var, $func = 'sanitize_text_field')
{
if (is_null($var)) {
return '';
}
if (is_bool($var)) {
if ($var === true) {
return 'yes';
} else {
return 'no';
}
}
if (is_string($var) || is_numeric($var)) {
$func = is_string($func) && function_exists($func) ? $func : 'sanitize_text_field';
return call_user_func($func, trim(strval($var)));
}
if (is_object($var)) {
$var = (array) $var;
}
if (is_array($var)) {
$array = array();
foreach ($var as $k => $v) {
$array[$k] = simcal_sanitize_input($v);
}
return $array;
}
return '';
}
/**
* Register setting callback.
*
* Callback function for sanitizing and validating options before they are updated.
*
* @since 3.0.0
*
* @param array $settings Settings inputs.
*
* @return array Sanitized settings.
*/
public function validate($settings)
{
$sanitized = '';
if (is_array($settings)) {
foreach ($settings as $k => $v) {
$sanitized[$k] = simcal_sanitize_input($v);
}
} else {
$sanitized = simcal_sanitize_input($settings);
}
return $sanitized;
}
