.php

/**/
function get_reading_time() {
    $article = get_post_field( 'post_content', get_the_ID() );
    $wordcount = str_word_count( strip_tags( $article ) );
    $time = ceil($wordcount / 250);
        
    if ($time == 1) {
        $label = " minuto";
    } else {
        $label = " minutos";
    }
        
    $totalString = $time . $label;
    return $totalString;        
}