<?php

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namespace Yoast\WP\SEO\Helpers\Schema;

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/**

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* Class Language_Helper.

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*/

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class Language_Helper {

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/**

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* Adds the `inLanguage` property to a Schema piece.

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*

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* Must use one of the language codes from the IETF BCP 47 standard. The

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* language tag syntax is made of one or more subtags separated by a hyphen

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* e.g. "en", "en-US", "zh-Hant-CN".

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*

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* @param array $data The Schema piece data.

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*

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* @return array The Schema piece data with added language property

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*/

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public function add_piece_language( $data ) {

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/**

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* Filter: 'wpseo_schema_piece_language' - Allow changing the Schema piece language.

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*

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* @api string $type The Schema piece language.

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*/

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$data['inLanguage'] = \apply_filters( 'wpseo_schema_piece_language', \get_bloginfo( 'language' ), $data );

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return $data;

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}

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}

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