PHP registerXPathNamespace() Function
 Complete PHP SimpleXML Reference
Definition and Usage
The registerXPathNamespace() registers a namespace context for the next XPath
query.
This function is useful if a namespace prefix is changed in an XML document.
The registerXPathNamespace() function will create a prefix for specified
namespace, so that the affected XML nodes can be accessed without altering the
application code too much.
Syntax
class SimpleXMLElement
{
string registerXPathNamespace(prefix,ns)
}
|
| Parameter |
Description |
| prefix |
Required. Specifies the namespace prefix |
| ns |
Required. Specifies the namespace URL. This must match a
namespace in the XML document. |
Example
XML File
<?xml version="1.0" encoding="ISO-8859-1"?>
<note xmlns:b="http://www.w3schools.com/example/">
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<b:body>Don't forget me this weekend!</b:body>
</note>
|
PHP Code
<?php
$xml = simplexml_load_file("test.xml");
$xml->registerXPathNamespace("msg",
"http://www.w3schools.com/example/");
$result = $xml->xpath("msg:body");
foreach ($result as $message)
{
echo $message;
}
?>
|
The output of the code above will be:
|
Don't forget me this weekend!
|
Complete PHP SimpleXML Reference
The Altova MissionKit, recent winner of the Jolt Product Excellence and Productivity Award for Best Development Environment,
is an integrated suite of tools ideal for:
- XML development
- Web & Web services development
- Data mapping & integration
- Rendering & publishing XML & database data
- XBRL validation, taxonomy editing, transformation & rendering
The MissionKit for XML Developers includes XMLSpy®, MapForce®, and StyleVision® plus 3 additional tools for less than the price of 2.
Try all 6 products free for 30 days!
Download a fully-functional free trial
|
|
|
|
