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PHP simplexml_load_string() Function

PHP SimpleXML Reference Complete PHP SimpleXML Reference

Definition and Usage

The simplexml_load_string() function loads an XML string into an object.

This function returns FALSE on failure.

Syntax

simplexml_load_string(string,class,options,ns,is_prefix)

Parameter Description
string Required. Specifies the XML string to use
class Optional. Specifies the class of the new object
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:

  • LIBXML_COMPACT - Set small nodes allocation optimization. This may improve the application performance
  • LIBXML_DTDATTR - Set default DTD attributes
  • LIBXML_DTDLOAD - Load external subset
  • LIBXML_DTDVALID - Validate with the DTD
  • LIBXML_NOBLANKS - Remove blank nodes
  • LIBXML_NOCDATA - Set CDATA as text nodes
  • LIBXML_NOEMPTYTAG - Change empty tags (e.g. <br/> to <br></br>), only available in the DOMDocument->save() and DOMDocument->saveXML() functions
  • LIBXML_NOENT - Substitute entities
  • LIBXML_NOERROR - Do not show error reports
  • LIBXML_NONET - Stop network access while loading documents
  • LIBXML_NOWARNING - Do not show warning reports
  • LIBXML_NOXMLDECL - Drop the XML declaration when saving a document
  • LIBXML_NSCLEAN - Remove excess namespace declarations
  • LIBXML_XINCLUDE - Use XInclude substitution
  • LIBXML_ERR_ERROR - Get recoverable errors
  • LIBXML_ERR_FATAL - Get fatal errors
  • LIBXML_ERR_NONE - Get no errors
  • LIBXML_ERR_WARNING - Get simple warnings
  • LIBXML_VERSION - Get libxml version (e.g. 20605 or 20617)
  • LIBXML_DOTTED_VERSION - Get dotted libxml version (e.g. 2.6.5 or 2.6.17)
ns Optional
is_prefix Optional

Example

<?php
$xmlstring = <<<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>
XML;

$xml = simplexml_load_string($xmlstring);

var_dump($xml);
?>

The output of the code above will be:

object(SimpleXMLElement)#1 (4)
{
["to"]=> string(4) "Tove"
["from"]=> string(4) "Jani"
["heading"]=> string(8) "Reminder"
["body"]=> string(29) "Don't forget me this weekend!"
}

PHP SimpleXML Reference Complete PHP SimpleXML Reference
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