[Resuelto] la traducción de cadenas no funciona correctamente

function custom_translate_single_string($ctrsing, $domain, $name) {
    // Define the array of projects and translations
    $projects = [
        'Alta velocidad' => [
            'en' => 'High Speed',
            'pt-br' => 'Alta Velocidade'
        ],
        'Ferrocarril convencional' => [
            'en' => 'Train',
            'pt-br' => 'Trem Convencional'
        ],
        'Carreteras' => [
            'en' => 'Roads',
            'pt-br' => 'Estradas'
        ],
        'Aeropuertos' => [
            'en' => 'Airports',
            'pt-br' => 'Aeroportos'
        ],
        'Obras urbanas' => [
            'en' => 'Urban Works',
            'pt-br' => 'Obras Urbanas'
        ],
        'Edificación' => [
            'en' => 'Building',
            'pt-br' => 'Edificação'
        ],
        'Parque de maquinaria' => [
            'en' => 'Machinery Park',
            'pt-br' => 'Parque de Máquinas'
        ],
        'Mantenimiento' => [
            'en' => 'Maintenance',
            'pt-br' => 'Manutenção'
        ],
        'Túneles' => [
            'en' => 'Tunnels',
            'pt-br' => 'Túneis'
        ],
        'Transporte urbano' => [
            'en' => 'Urban Transport',
            'pt-br' => 'Transporte Urbano'
        ],
        'Conservación carreteras' => [
            'en' => 'Road Maintenance',
            'pt-br' => 'Manutenção de Estradas'
        ],
        'Medioambientales' => [
            'en' => 'Environmental',
            'pt-br' => 'Ambiental'
        ],
        'Puentes y viaductos' => [
            'en' => 'Bridges and Viaducts',
            'pt-br' => 'Pontes e Viadutos'
        ],
        'Agua' => [
            'en' => 'Water',
            'pt-br' => 'Água'
        ],
        'Puertos ES' => [
            'en' => 'Ports',
            'pt-br' => 'Portos'
        ]
    ];

    // Get the current language from WPML
    $current_language = apply_filters('wpml_current_language', null);

    // Check if $ctrsing exists in the projects array
    if (isset($projects[$ctrsing])) {

        // Check if the current language translation exists
        if (isset($projects[$ctrsing][$current_language])) {
            // Return the translated string for the current language
            return $projects[$ctrsing][$current_language];
        }
    }

    // Return the original string if no translation is found
    return $ctrsing;
}

// Hook the function to wpml_translate_single_string and set it to run last
add_filter('wpml_translate_single_string', 'custom_translate_single_string', 100, 3);