PHP Iterating simplexml in foreach loop

Question

I have a simplexml object which looks as below

<?xml version="1.0"?>
<SalesInvoices xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://api.unleashedsoftware.com/version/1">
    <SalesInvoice>
        <OrderNumber>100</OrderNumber>
    </SalesInvoice>
    <SalesInvoice>
        <OrderNumber>101</OrderNumber>
    </SalesInvoice>
</SalesInvoices>

I want to iterate through it and print only the order number. I use this script:

foreach ($xml->SalesInvoices->SalesInvoice as $salesinvoice) {
    echo "hello";
    echo $salesinvoice->OrderNumber;
}

When I do this I get no output from the loop at all, even the "hello" does not print. What am I doing wrong?

jcbwlkr · Accepted Answer · 2013-04-02 04:21:13Z

2

Do

<?php

$string = '<?xml version="1.0"?>
<SalesInvoices xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://api.unleashedsoftware.com/version/1">
    <SalesInvoice>
        <OrderNumber>100</OrderNumber>
    </SalesInvoice>
    <SalesInvoice>
        <OrderNumber>101</OrderNumber>
    </SalesInvoice>
</SalesInvoices>';
$xml = simplexml_load_string($string);

foreach($xml as $SalesInvoice) {
    print $SalesInvoice->OrderNumber;
}

edited Apr 2, 2013 at 4:21

answered Apr 2, 2013 at 2:34

jcbwlkr

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2 Comments

jcbwlkr Over a year ago

I've edited the response. SalesInvoices (plural) is the root element so it does not need to be pathed out. Since all that it contains is the SaleInvoice elements you can just foreach($xml directly

IMSoP Over a year ago

foreach( $xml->SalesInvoice ... (singular) would also have worked. The important thing to remember is that $xml represents the root node, not an abstract Document object.

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