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<?php
namespace Yoast\WP\SEO\Helpers;
/**
* The Import Helper.
*/
class Import_Helper {
/**
* Flattens a multidimensional array of settings. Recursive.
*
* @param array $array_to_flatten The array to be flattened.
* @param string $key_prefix The key to be used as a prefix.
*
* @return array The flattened array.
*/
public function flatten_settings( $array_to_flatten, $key_prefix = '' ) {
$result = [];
foreach ( $array_to_flatten as $key => $value ) {
if ( \is_array( $value ) ) {
$result = \array_merge( $result, $this->flatten_settings( $value, $key_prefix . '/' . $key ) );
}
else {
$result[ $key_prefix . '/' . $key ] = $value;
}
}
return $result;
}
}