API15:JSimpleXMLElement/toString

Description

Return a well-formed XML string based on SimpleXML element

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Syntax

toString($whitespace=true)

Parameter Name	Default Value	Description
$whitespace	true

Returns

string

Defined in

libraries/joomla/utilities/simplexml.php

Importing

jimport( 'joomla.utilities.simplexml' );

Source Body

function toString($whitespace=true)
{
        //Start a new line, indent by the number indicated in $this->level, add a <, and add the name of the tag
        if ($whitespace) {
                $out = "\n".str_repeat("\t", $this->_level).'<'.$this->_name;
        } else {
                $out = '<'.$this->_name;
        }

        //For each attribute, add attr="value"
        foreach($this->_attributes as $attr => $value) {
                $out .= ' '.$attr.'="'.htmlspecialchars($value).'"';
        }

        //If there are no children and it contains no data, end it off with a />
        if (empty($this->_children) && empty($this->_data)) {
                $out .= " />";
        }
        else //Otherwise...
        {
                //If there are children
                if(!empty($this->_children))
                {
                        //Close off the start tag
                        $out .= '>';

                        //For each child, call the asXML function (this will ensure that all children are added recursively)
                        foreach($this->_children as $child)
                                $out .= $child->toString($whitespace);

                        //Add the newline and indentation to go along with the close tag
                        if ($whitespace) {
                                $out .= "\n".str_repeat("\t", $this->_level);
                        }
                }

                //If there is data, close off the start tag and add the data
                elseif(!empty($this->_data))
                        $out .= '>'.htmlspecialchars($this->_data);

                //Add the end tag
                $out .= '</'.$this->_name.'>';
        }

        //Return the final output
        return $out;
}

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Examples

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