# 例

例1 Yaml の例

    <?php
    $addr = array(
        "given" => "Chris",
        "family"=> "Dumars",
        "address"=> array(
            "lines"=> "458 Walkman Dr.
            Suite #292",
            "city"=> "Royal Oak",
            "state"=> "MI",
            "postal"=> 48046,
          ),
      );
    $invoice = array (
        "invoice"=> 34843,
        "date"=> "2001-01-23",
        "bill-to"=> $addr,
        "ship-to"=> $addr,
        "product"=> array(
            array(
                "sku"=> "BL394D",
                "quantity"=> 4,
                "description"=> "Basketball",
                "price"=> 450,
              ),
            array(
                "sku"=> "BL4438H",
                "quantity"=> 1,
                "description"=> "Super Hoop",
                "price"=> 2392,
              ),
          ),
        "tax"=> 251.42,
        "total"=> 4443.52,
        "comments"=> "Late afternoon is best. Backup contact is Nancy Billsmer @ 338-4338.",
        );

    // 請求書を YAML 形式で出力します
    $yaml = yaml_emit($invoice);
    var_dump($yaml);

    // YAML から PHP の変数に書き戻します
    $parsed = yaml_parse($yaml);

    // このやりとりの結果、同じ結果が得られていることを確認します
    var_dump($parsed == $invoice);
    ?>

上の例の出力は、 たとえば以下のようになります。

    string(631) "---
    invoice: 34843
    date: "2001-01-23"
    bill-to:
      given: Chris
      family: Dumars
      address:
        lines: |-
          458 Walkman Dr.
                  Suite #292
        city: Royal Oak
        state: MI
        postal: 48046
    ship-to:
      given: Chris
      family: Dumars
      address:
        lines: |-
          458 Walkman Dr.
                  Suite #292
        city: Royal Oak
        state: MI
        postal: 48046
    product:
    - sku: BL394D
      quantity: 4
      description: Basketball
      price: 450
    - sku: BL4438H
      quantity: 1
      description: Super Hoop
      price: 2392
    tax: 251.420000
    total: 4443.520000
    comments: Late afternoon is best. Backup contact is Nancy Billsmer @ 338-4338.
    ...
    "
    bool(true)

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