It appears that there is a bug in Zend_Config_Xml when using it without
specific sections ($conf = new Zend_Config_Xml('file.xml', null);).
Since the _toArray() function does not check if the simplexmlobject only
contains a string, an empty Zend_Config obj is returned.
This only happens on the 2nd level element in the xml files as specifying
null in will use the first level elements to extend from.
Examples:
<application>
<home>../application</home>
<namespace>
<foo>foo</foo>
</namespace>
</application>
$conf->home will return an empty Zend_Config obj not the expected string.
$conf->namespace->foo will return as expected a string.
I simply added an if else to check if the simplexmlobject has children, if
not then return the string.
Zend_Config_Xml
/**
* Returns an associative and possibly multidimensional array from a
SimpleXMLElement.
*
* @param SimpleXMLElement $xmlObject
* @return array
*/
protected function _toArray($xmlObject)
{
$config = array();
if ($xmlObject->children()) {
foreach ($xmlObject->children() as $key => $value) {
if ($value->children()) {
$config[$key] = $this->_toArray($value);
} else {
$config[$key] = (string) $value;
}
}
} else {
$config = (string) $xmlObject;
}
return $config;
}
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