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並前往https://coderoad.ru/26278234/get_post_meta-%D0%B2%D0%BE%D0%B7%D0%B2%D1%80%D0%B0%D1%89%D0%B0%D0%B5%D1%82-%D0%BC%D0%B0%D1%81%D1%81%D0%B8%D0%B2

get_post_meta возвращает " массив" - CodeRoad

Попробуйте так, как $metas = get_post_meta($post->ID, 'repeatable_fields', TRUE); foreach ( $metas as $metakey ){ echo $metakey['name']; ...

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