PHP - 解析SimpleXMLElement對象

下面是從存儲在一個$發票變量API響應解析的SimpleXMLElement對象：PHP - 解析SimpleXMLElement對象

SimpleXMLElement Object 
(
    [Id] => 6e292df0-a09c-4bbb-9203-278e7d3fd585 
    [Status] => OK 
    [ProviderName] => fmAccounting Link (Xero Edition) Demo 
    [DateTimeUTC] => 2017-04-10T00:04:25.5044126Z 
    [Invoices] => SimpleXMLElement Object 
     (
      [Invoice] => Array 
       (
        [0] => SimpleXMLElement Object 
         (
          [Contact] => SimpleXMLElement Object 
           (
            [ContactID] => 0e72016e-7c60-4a19-b8d0-1d2c58cc0b49 
            [Name] => Jerrys Tires 
           ) 

          [Date] => 2017-03-02T00:00:00 
          [DueDate] => 2017-03-16T00:00:00 
          [Status] => AUTHORISED 
          [LineAmountTypes] => Exclusive 
          [LineItems] => SimpleXMLElement Object 
           (
            [LineItem] => SimpleXMLElement Object 
             (
              [ItemCode] => PR1113 
              [Description] => Acme Doodles 
              [UnitAmount] => 645.00 
              [TaxType] => OUTPUT 
              [TaxAmount] => 64.50 
              [LineAmount] => 645.00 
              [AccountCode] => 200 
              [Quantity] => 1.0000 
              [LineItemID] => 5a3da2f4-271a-4bdb-aeb9-fca65c4faa90 
             ) 

           ) 

          [SubTotal] => 645.00 
          [TotalTax] => 64.50 
          [Total] => 709.50 
          [UpdatedDateUTC] => 2017-03-01T20:45:01.5 
          [CurrencyCode] => AUD 
          [Type] => ACCREC 
          [InvoiceID] => 5202c206-30d7-4792-8a37-32d1d8bee79f 
          [InvoiceNumber] => IV1950 
          [Payments] => SimpleXMLElement Object 
           (
            [Payment] => SimpleXMLElement Object 
             (
              [PaymentID] => b443039a-409e-47cf-a5d9-4cde1640269d 
              [Date] => 2017-03-02T00:00:00 
              [Amount] => 500.00 
              [Reference] => test 
              [CurrencyRate] => 1.000000 
             ) 

           ) 

          [AmountDue] => 209.50 
          [AmountPaid] => 500.00 
          [AmountCredited] => 0.00 
          [SentToContact] => false 
          [CurrencyRate] => 1.000000 
          [HasAttachments] => false 
         ) 

        [1] => SimpleXMLElement Object 
         (
          [Contact] => SimpleXMLElement Object 
           (
            [ContactID] => 0e72016e-7c60-4a19-b8d0-1d2c58cc0b49 
            [Name] => Jerrys Tires 
           ) 

          [Date] => 2017-03-06T00:00:00 
          [DueDate] => 2017-03-20T00:00:00 
          [Status] => AUTHORISED 
          [LineAmountTypes] => NoTax 
          [LineItems] => SimpleXMLElement Object 
           (
            [LineItem] => SimpleXMLElement Object 
             (
              [ItemCode] => PR1113 
              [Description] => Acme Doodles 
              [UnitAmount] => 645.00 
              [TaxType] => NONE 
              [TaxAmount] => 0.00 
              [LineAmount] => 645.00 
              [AccountCode] => 200 
              [Quantity] => 1.0000 
              [LineItemID] => bc3f2602-b712-49c8-8696-3af1ce589b05 
             ) 

           ) 

          [SubTotal] => 645.00 
          [TotalTax] => 0.00 
          [Total] => 645.00 
          [UpdatedDateUTC] => 2017-03-05T19:10:52.57 
          [CurrencyCode] => AUD 
          [Type] => ACCREC 
          [InvoiceID] => 50f95c0b-5498-47b9-8034-9f1ed11d759e 
          [InvoiceNumber] => IV1951 
          [Payments] => SimpleXMLElement Object 
           (
            [Payment] => SimpleXMLElement Object 
             (
              [PaymentID] => 3f5a4d70-20d2-47cc-a661-3a528958c801 
              [Date] => 2017-03-06T00:00:00 
              [Amount] => 380.00 
              [Reference] => cash 
              [CurrencyRate] => 1.000000 
             ) 

           ) 

          [AmountDue] => 265.00 
          [AmountPaid] => 380.00 
          [AmountCredited] => 0.00 
          [SentToContact] => false 
          [CurrencyRate] => 1.000000 
          [HasAttachments] => false 
         ) 

        [2] => SimpleXMLElement Object 
         (
          [Contact] => SimpleXMLElement Object 
           (
            [ContactID] => 2842ce37-86e0-4e89-936b-e1138e79dcf7 
            [Name] => Cons Fruits 
           ) 

          [Date] => 2017-03-06T00:00:00 
          [DueDate] => 2017-03-20T00:00:00 
          [Status] => PAID 
          [LineAmountTypes] => NoTax 
          [LineItems] => SimpleXMLElement Object 
           (
            [LineItem] => Array 
             (
              [0] => SimpleXMLElement Object 
               (
                [ItemCode] => DevD 
                [Description] => Development work - developer onsite per day 
                [UnitAmount] => 650.00 
                [TaxType] => NONE 
                [TaxAmount] => 0.00 
                [LineAmount] => 650.00 
                [AccountCode] => 200 
                [Quantity] => 1.0000 
                [LineItemID] => c413f22a-d1ff-460f-91e3-a4793eb7b963 
               ) 

              [1] => SimpleXMLElement Object 
               (
                [ItemCode] => PR1113 
                [Description] => Acme Doodles 
                [UnitAmount] => 645.00 
                [TaxType] => NONE 
                [TaxAmount] => 0.00 
                [LineAmount] => 645.00 
                [AccountCode] => 200 
                [Quantity] => 1.0000 
                [LineItemID] => c624c314-d8d8-4e08-861b-eda40af4ae5b 
               ) 

             ) 

           ) 

          [SubTotal] => 1295.00 
          [TotalTax] => 0.00 
          [Total] => 1295.00 
          [UpdatedDateUTC] => 2017-03-05T22:06:10.263 
          [CurrencyCode] => AUD 
          [FullyPaidOnDate] => 2017-03-06T00:00:00 
          [Type] => ACCREC 
          [InvoiceID] => bb22c090-45b6-4357-82d0-f39daf45fa21 
          [InvoiceNumber] => IV1952 
          [Payments] => SimpleXMLElement Object 
           (
            [Payment] => SimpleXMLElement Object 
             (
              [PaymentID] => 8c0f5409-0fe4-4a42-85f7-056ec2e2f824 
              [Date] => 2017-03-06T00:00:00 
              [Amount] => 1295.00 
              [Reference] => kged;oidgs 
              [CurrencyRate] => 1.000000 
             ) 

           ) 

          [AmountDue] => 0.00 
          [AmountPaid] => 1295.00 
          [AmountCredited] => 0.00 
          [SentToContact] => false 
          [CurrencyRate] => 1.000000 
          [HasAttachments] => false 
         ) 

        [3] => SimpleXMLElement Object 
         (
          [Contact] => SimpleXMLElement Object 
           (
            [ContactID] => e0413ee8-7b41-40e9-99c4-dd6b47c65564 
            [ContactNumber] => CT1686 
            [Name] => Acme Corp Inc 
           ) 

          [Date] => 2017-03-15T00:00:00 
          [DueDate] => 2017-03-29T00:00:00 
          [BrandingThemeID] => 2ced98b8-3be9-42c4-ae79-fe3c8bca3490 
          [Status] => AUTHORISED 
          [LineAmountTypes] => Exclusive 
          [LineItems] => SimpleXMLElement Object 
           (
            [LineItem] => SimpleXMLElement Object 
             (
              [ItemCode] => Support-M 
              [Description] => Desktop/network support via email & phone. 
Per month fixed fee for minimum 20 hours/month. 
              [UnitAmount] => 500.00 
              [TaxType] => OUTPUT 
              [TaxAmount] => 50.00 
              [LineAmount] => 500.00 
              [AccountCode] => 200 
              [Quantity] => 1.0000 
              [LineItemID] => 46963aaf-cfb4-4825-aefc-98fdb720bb60 
             ) 

           ) 

          [SubTotal] => 500.00 
          [TotalTax] => 50.00 
          [Total] => 550.00 
          [UpdatedDateUTC] => 2017-03-14T22:00:23.857 
          [CurrencyCode] => AUD 
          [Type] => ACCREC 
          [InvoiceID] => f9d3fa27-4ce6-44a3-be62-afb9baced1a5 
          [InvoiceNumber] => IV1947 
          [AmountDue] => 550.00 
          [AmountPaid] => 0.00 
          [AmountCredited] => 0.00 
          [SentToContact] => false 
          [CurrencyRate] => 1.000000 
          [HasAttachments] => false 
         ) 

        [4] => SimpleXMLElement Object 
         (
          [Contact] => SimpleXMLElement Object 
           (
            [ContactID] => e0413ee8-7b41-40e9-99c4-dd6b47c65564 
            [ContactNumber] => CT1686 
            [Name] => Acme Corp Inc 
           ) 

          [Date] => 2017-03-15T00:00:00 
          [DueDate] => 2017-03-29T00:00:00 
          [BrandingThemeID] => 2ced98b8-3be9-42c4-ae79-fe3c8bca3490 
          [Status] => AUTHORISED 
          [LineAmountTypes] => Exclusive 
          [LineItems] => SimpleXMLElement Object 
           (
            [LineItem] => Array 
             (
              [0] => SimpleXMLElement Object 
               (
                [ItemCode] => Support-M 
                [Description] => Desktop/network support via email & phone. 
Per month fixed fee for minimum 20 hours/month. 
                [UnitAmount] => 500.00 
                [TaxType] => OUTPUT 
                [TaxAmount] => 150.00 
                [LineAmount] => 1500.00 
                [AccountCode] => 200 
                [Quantity] => 3.0000 
                [LineItemID] => a6464c91-f628-4060-8692-268bcd7a2d3d 
               ) 

              [1] => SimpleXMLElement Object 
               (
                [ItemCode] => DevD 
                [Description] => Development work - developer onsite per day 
                [UnitAmount] => 650.00 
                [TaxType] => OUTPUT 
                [TaxAmount] => 325.00 
                [LineAmount] => 3250.00 
                [AccountCode] => 200 
                [Quantity] => 5.0000 
                [LineItemID] => 6ae30639-433f-40c9-8505-65f60f1fa0ff 
               ) 

             ) 

           ) 

          [SubTotal] => 4750.00 
          [TotalTax] => 475.00 
          [Total] => 5225.00 
          [UpdatedDateUTC] => 2017-03-14T22:01:23.03 
          [CurrencyCode] => AUD 
          [Type] => ACCREC 
          [InvoiceID] => f00039cd-ad9f-403d-becc-d5508cca82ce 
          [InvoiceNumber] => IV1948 
          [AmountDue] => 5225.00 
          [AmountPaid] => 0.00 
          [AmountCredited] => 0.00 
          [SentToContact] => false 
          [CurrencyRate] => 1.000000 
          [HasAttachments] => false 
         ) 

        [5] => SimpleXMLElement Object 
         (
          [Contact] => SimpleXMLElement Object 
           (
            [ContactID] => 233265a4-d4e8-4bee-8110-1c5bb483283d 
            [ContactNumber] => CT1598 
            [Name] => JPV Gutters And Remodeling 
           ) 

          [Date] => 2017-04-04T00:00:00 
          [DueDate] => 2017-04-18T00:00:00 
          [Status] => AUTHORISED 
          [LineAmountTypes] => Exclusive 
          [LineItems] => SimpleXMLElement Object 
           (
            [LineItem] => Array 
             (
              [0] => SimpleXMLElement Object 
               (
                [ItemCode] => TSL - Black 
                [Description] => Company Branded T-Shirt Large Black. Check out our website for other offers! 
                [UnitAmount] => 40.00 
                [TaxType] => OUTPUT 
                [TaxAmount] => 16.00 
                [LineAmount] => 160.00 
                [AccountCode] => 200 
                [Quantity] => 4.0000 
                [LineItemID] => 030bf68b-f75e-4280-b85f-c0de0946aeb9 
               ) 

              [1] => SimpleXMLElement Object 
               (
                [ItemCode] => TSS - Black 
                [Description] => Company Branded T-Shirt Small Black. Check out our website for other offers! 
                [UnitAmount] => 40.00 
                [TaxType] => OUTPUT 
                [TaxAmount] => 24.00 
                [LineAmount] => 240.00 
                [AccountCode] => 200 
                [Quantity] => 6.0000 
                [LineItemID] => 60783d08-a2dd-414a-b809-41a62e06b8d9 
               ) 

             ) 

           ) 

          [SubTotal] => 400.00 
          [TotalTax] => 40.00 
          [Total] => 440.00 
          [UpdatedDateUTC] => 2017-04-03T22:58:04.85 
          [CurrencyCode] => AUD 
          [Type] => ACCREC 
          [InvoiceID] => 847a7ffa-7dfe-4de3-89d4-858731097875 
          [InvoiceNumber] => IV2023 
          [AmountDue] => 440.00 
          [AmountPaid] => 0.00 
          [AmountCredited] => 0.00 
          [SentToContact] => false 
          [CurrencyRate] => 1.000000 
          [HasAttachments] => false 
         ) 

       ) 

     ) 

)

我現在試圖通過每個返回的發票進行迭代和解析從InvoiceNumber開始輸出一些發票數據。我正在使用：

foreach ($invoices->Invoice as $invoice) { 
    $invoiceNumber = $invoice["InvoiceNumber"]; 
    echo 'Invoice Number is: '.$invoiceNumber; 

}

但我沒有在瀏覽器中獲得任何輸出。這是我第一次使用SimpleXMLElement對象，所以不確定我在這裏做錯了什麼？

來源

2017-04-10 user982124

首先，georgewoofbates說，你缺少在代碼中參考<Invoices>節點，所以你需要使用foreach ($invoices->Invoices->Invoice as $invoice) {...

其次，$invoice["InvoiceNumber"]，會得到一個屬性值，例如如果XML是<Invoice InvoiceNumber="42" />。但它看起來像你真正想要的是一個子元素，例如XML看起來像<Invoice><InvoiceNumber>42</InvoiceNumber></Invoice>，所以你需要使用$invoice->InvoiceNumber。

有關更多信息，請參閱the examples in the manual。

來源

2017-04-10 11:40:10 IMSoP

謝謝，這幫助我指出了正確的方向 – user982124

你的foreach語句需要說

foreach ($invoices->Invoices->Invoice as $invoice) { 
$invoiceNumber = $invoice["InvoiceNumber"]; 
echo 'Invoice Number is: '.$invoiceNumber; 
}

來源

2017-04-10 01:01:28 georgewoofbates

感謝您發現。我剛剛更新了這一點，現在我在瀏覽器中獲得這樣的：發票號：發票號：發票號：發票號：發票號：發票號：我m沒有獲得$ invoiceNumber的任何價值？ – user982124

PHP - 解析SimpleXMLElement對象

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