/**
* Loads options from an XML file (see class description for XML format)
* into an array. Called by {@link epConfig::load()}
* @param string file name
* @return false|array
* @throws epExceptionConfig
*/
protected static function _loadXml($cfg_file)
{
// if cfg file does not exist
if (!$cfg_file || !file_exists($cfg_file)) {
// return an empty array
return array();
}
// unserialize xml config using SimpleXml
if (false === ($options = epXml2Array($cfg_file))) {
throw new epExceptionConfig('Parsing config file failed');
return self::$false;
}
// locate options
if (isset($options['ezpdo'])) {
$options = $options['ezpdo'];
} else {
if (isset($options['options'])) {
$options = $options['options'];
}
}
return $options;
}
/**
* Test function epFilesInDir() in epUtils.php
*/
function test_epXml2Array_epValue2Xml()
{
// make sure methods exist
$this->assertTrue(function_exists('epValue2Xml'));
$this->assertTrue(function_exists('epXml2Array'));
// an associated array to be tested
$array0 = array('a' => array('b' => array('c' => 'x')));
$array = $array0;
$array['b'] = $array0;
$array['c'] = $array0;
$array['d'] = $array0;
// unserialize array into xml
$this->assertTrue($xml = epValue2Xml($array));
// serialize xml into array
$this->assertTrue($array_2 = epXml2Array($xml));
// unserialize the new array into xml
$this->assertTrue($xml_2 = epValue2Xml($array_2));
// make sure the two xml strings are the same
$this->assertTrue($xml == $xml_2);
}