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PHP Quiz PHP CertificatePHP __construct() Function
Example
Create a new SimpleXMLElement object, then output the content of the body node:
<?php
$note=<<<XML
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
XML;
$xml=new SimpleXMLElement($note);
echo $xml->body;
?>
$note=<<<XML
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
XML;
$xml=new SimpleXMLElement($note);
echo $xml->body;
?>
Run example »
Definition and Usage
The __construct() function creates a new SimpleXMLElement object.
Syntax
__construct(data,options,data_is_url,ns,is_prefix);
| Parameter | Description |
|---|---|
| data | Required. Specifies A well-formed XML string or the path or URL to an XML document if data_is_url is TRUE |
| options | Optional. Specifies additional Libxml parameters. Is set by
specifying the option and 1 or 0 (TRUE or FALSE, e.g. LIBXML_NOBLANKS(1)) Possible values:
|
| data_is_url | Optional. TRUE specifies that data is a path/URL to an XML document instead of string data. Default is FALSE |
| ns | Optional. Specifies a namespace prefix or URI |
| is_prefix | Optional. Specifies a Boolean value. TRUE if ns is a prefix. FALSE if ns is a URI. Default is FALSE |
Technical Details
| Return Value: | Returns a SimpleXMLElement object that represents data |
|---|---|
| PHP Version: | 5.0.1+ |
| PHP Changelog: | PHP 5.1.2: options and data_is_url parameters added. PHP 5.2: ns and is_prefix parameters added. |
More Examples
Assume we have the following XML file, "note.xml":
<?xml version="1.0" encoding="ISO-8859-1"?>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
Example 1
Create a SimpleXMLElement object from a URL:
<?php
$xml=new SimpleXMLElement("note.xml",NULL,TRUE);
echo $xml->asXML();
?>
$xml=new SimpleXMLElement("note.xml",NULL,TRUE);
echo $xml->asXML();
?>
Run example »
PHP SimpleXML Reference
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