Answers for "an associative array save duplicated values under single key"

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an associative array save duplicated values under single key

$unique = array_reduce($subject, function($final, $article){
    static $seen = array();
    if ( ! array_key_exists($article['fk_article_id'], $seen)) {
        $seen[$article['fk_article_id']] = NULL;
        $final[] = $article;
    }
    return $final;
});

Posted by: Guest on October-24-2020

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