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<?php

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namespace Yoast\WP\SEO\Helpers;

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/**

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* The Import Helper.

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class Import_Helper {

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/**

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* Flattens a multidimensional array of settings. Recursive.

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* @param array $array_to_flatten The array to be flattened.

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* @param string $key_prefix The key to be used as a prefix.

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* @return array The flattened array.

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public function flatten_settings( $array_to_flatten, $key_prefix = '' ) {

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$result = [];

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foreach ( $array_to_flatten as $key => $value ) {

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if ( \is_array( $value ) ) {

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$result = \array_merge( $result, $this->flatten_settings( $value, $key_prefix . '/' . $key ) );

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}

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else {

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$result[ $key_prefix . '/' . $key ] = $value;

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}

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}

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return $result;

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}

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}

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