SimpleXMLElement::__construct
(PHP 5, PHP 7, PHP 8)
SimpleXMLElement::__construct — Creates a new SimpleXMLElement object
Description
string
$data,int
$options = 0,bool
$dataIsURL = false,string
$namespaceOrPrefix = "",bool
$isPrefix = false)
Creates a new SimpleXMLElement object.
Parameters
-
data -
A well-formed XML string or the path or URL to an XML document if
dataIsURListrue. -
options -
Optionally used to specify additional Libxml parameters, which affect reading of XML documents. Options which affect the output of XML documents (e.g.
LIBXML_NOEMPTYTAG) are silently ignored.Note:
It may be necessary to pass
LIBXML_PARSEHUGEto be able to process deeply nested XML or very large text nodes. -
dataIsURL -
By default,
dataIsURLisfalse. Usetrueto specify thatdatais a path or URL to an XML document instead of string data. -
namespaceOrPrefix -
Namespace prefix or URI.
-
isPrefix -
trueifnamespaceOrPrefixis a prefix,falseif it's a URI; defaults tofalse.
Errors/Exceptions
Produces an E_WARNING error message for each error
found in the XML data and additionally throws an Exception if the XML data
could not be parsed.
Use libxml_use_internal_errors() to suppress all XML errors, and libxml_get_errors() to iterate over them afterwards.
Examples
Note:
Listed examples may include
example.php, which refers to the XML string found in the first example of the basic usage guide.
Example #1 Create a SimpleXMLElement object
<?php
include 'example.php';
$sxe = new SimpleXMLElement($xmlstr);
echo $sxe->movie[0]->title;
?>
The above example will output:
PHP: Behind the Parser
Example #2 Create a SimpleXMLElement object from a URL
<?php
$sxe = new SimpleXMLElement('http://example.org/document.xml', NULL, TRUE);
echo $sxe->asXML();
?>
See Also
- Basic SimpleXML usage
- simplexml_load_string() - Interprets a string of XML into an object
- simplexml_load_file() - Interprets an XML file into an object
- Dealing with XML errors
- libxml_use_internal_errors() - Disable libxml errors and allow user to fetch error information as needed
- libxml_set_streams_context() - Set the streams context for the next libxml document load or write
