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<?php
/**
* Class Google\Site_Kit\Core\Util\Sanitize
*
* @package Google\Site_Kit\Core\Util
* @copyright 2023 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://sitekit.withgoogle.com
*/
namespace Google\Site_Kit\Core\Util;
/**
* Utility class for sanitizing data.
*
* @since 1.93.0
* @access private
* @ignore
*/
class Sanitize {
/**
* Filters empty or non-string elements from a given array.
*
* @since 1.93.0
*
* @param array $elements Array to check.
* @return array Empty array or a filtered array containing only non-empty strings.
*/
public static function sanitize_string_list( $elements = array() ) {
if ( ! is_array( $elements ) ) {
$elements = array( $elements );
}
if ( empty( $elements ) ) {
return array();
}
$filtered_elements = array_filter(
$elements,
function ( $element ) {
return is_string( $element ) && ! empty( $element );
}
);
// Avoid index gaps for filtered values.
return array_values( $filtered_elements );
}
}