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POSimpleXML Reading node with a hyphenated name
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  1. POSimpleXML Reading node with a hyphenated name
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    copied!<p>I have the following XML:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;gnm:Workbook xmlns:gnm="http://www.gnumeric.org/v10.dtd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.gnumeric.org/v9.xsd"&gt; &lt;office:document-meta xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:ooo="http://openoffice.org/2004/office" office:version="1.1"&gt; &lt;office:meta&gt; &lt;dc:creator&gt;Mark Baker&lt;/dc:creator&gt; &lt;dc:date&gt;2010-09-01T22:49:33Z&lt;/dc:date&gt; &lt;meta:creation-date&gt;2010-09-01T22:48:39Z&lt;/meta:creation-date&gt; &lt;meta:editing-cycles&gt;4&lt;/meta:editing-cycles&gt; &lt;meta:editing-duration&gt;PT00H04M20S&lt;/meta:editing-duration&gt; &lt;meta:generator&gt;OpenOffice.org/3.1$Win32 OpenOffice.org_project/310m11$Build-9399&lt;/meta:generator&gt; &lt;/office:meta&gt; &lt;/office:document-meta&gt; &lt;/gnm:Workbook&gt; </code></pre> <p>And am trying to read the office:document-meta node to extractthe various elements below it (dc:creator, meta:creation-date, etc.)</p> <p>The following code:</p> <pre><code>$xml = simplexml_load_string($gFileData); $namespacesMeta = $xml-&gt;getNamespaces(true); $officeXML = $xml-&gt;children($namespacesMeta['office']); var_dump($officeXML); echo '&lt;hr /&gt;'; </code></pre> <p>gives me:</p> <pre><code>object(SimpleXMLElement)[91] public 'document-meta' =&gt; object(SimpleXMLElement)[93] public '@attributes' =&gt; array 'version' =&gt; string '1.1' (length=3) public 'meta' =&gt; object(SimpleXMLElement)[94] </code></pre> <p>but if I try to read the document-meta element using:</p> <pre><code>$xml = simplexml_load_string($gFileData); $namespacesMeta = $xml-&gt;getNamespaces(true); $officeXML = $xml-&gt;children($namespacesMeta['office']); $docMeta = $officeXML-&gt;document-meta; var_dump($docMeta); echo '&lt;hr /&gt;'; </code></pre> <p>I get</p> <pre><code>Notice: Use of undefined constant meta - assumed 'meta' in /usr/local/apache/htdocsNewDev/PHPExcel/Classes/PHPExcel/Reader/Gnumeric.php on line 273 int 0 </code></pre> <p>I assume that SimpleXML is trying to extract a non-existent node "document" from $officeXML, then subtract the value of (non-existent) constant "meta", resulting in forcing the integer 0 result rather than the document-meta node.</p> <p>Is there a way to resolve this using SimpleXML, or will I be forced to rewrite using XMLReader? Any help appreciated.</p>
 

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