PHP 数组到 JavaScript 数组

假设我在 php 中有这个数组

$cities=array(
    "Caracas"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Los Teques"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "La Victoria"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Maracay"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Tejeria"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "La Encrucijada"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Cagua"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Turmero"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "San Mateo"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Margarita"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),
    "Valencia"=>array(
        "air"=>array(
            "4","3-5 Working Days","Saturday"
        ),
        "sea"=>array(
            "18","3-5 Days","Wednesday"
        )
    ),

    // another section

    "Puerto la Cruz"=>array(
        "air"=>array(
            "4.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19","4-6 Days","Wednesday"
        )
    ),
    "Lecheria"=>array(
        "air"=>array(
            "4.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19","4-6 Days","Wednesday"
        )
    ),
    "Bacelona"=>array(
        "air"=>array(
            "4.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19","4-6 Days","Wednesday"
        )
    ),
    "Guanta"=>array(
        "air"=>array(
            "4.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19","4-6 Days","Wednesday"
        )
    ),
    "Puerto Piritu"=>array(
        "air"=>array(
            "4.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19","4-6 Days","Wednesday"
        )
    ),

    // another section

    "Cumana"=>array(
        "air"=>array(
            "5.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19.50","4-6 Days","Wednesday"
        )
    ),
    "Anaco"=>array(
        "air"=>array(
            "5.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19.50","4-6 Days","Wednesday"
        )
    ),
    "Cantaura"=>array(
        "air"=>array(
            "5.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19.50","4-6 Days","Wednesday"
        )
    ),
    "El Tigre"=>array(
        "air"=>array(
            "5.50","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "19.50","4-6 Days","Wednesday"
        )
    ),

    // another section

    "Maturin"=>array(
        "air"=>array(
            "6","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "20","4-6 Days","Wednesday"
        )
    ),
    "Punta de Mata"=>array(
        "air"=>array(
            "6","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "20","4-6 Days","Wednesday"
        )
    ),
    "Ciudad Bolivar"=>array(
        "air"=>array(
            "6","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "20","4-6 Days","Wednesday"
        )
    ),
    "Puerto Ordaz"=>array(
        "air"=>array(
            "6","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "20","4-6 Days","Wednesday"
        )
    ),
    "Carupano"=>array(
        "air"=>array(
            "6","5-10 Working Days","Saturday"
        ),
        "sea"=>array(
            "20","4-6 Days","Wednesday"
        )
    ),

);

我怎样才能将其转换为每个键都相同的javascript？我想要在 javascript 中使用相同的数组

Try json_encode() http://php.net/json_encode。 JSON 是 phpjavascript 数据传输的第一个、最好的也是唯一的答案。