<?php
require_once BLOCKS_ROOT_ENGINE . "Zend/Loader/StandardAutoloader.php";
//require_once BLOCKS_ROOT_ENGINE."library/Zend/Config/Reader/Xml.php";
class Engine {
static public function start() {
$autoLoader = new Zend\Loader\StandardAutoloader(array(
'fallback_autoloader' => true,
));
// register our StandardAutoloader with the SPL autoloader
$autoLoader->register();
$config = new Engine_Zend_Config_Reader_Xml();
//echo $config->config->layout->default->head;
$root = new Core_Root_Blocks_Root();
}
}
以上位于Engine/Engine.php
Zend 库位于Engine/Zend/*自动加载器成功找到 Xml 类。但由于某种奇怪的原因，它找不到它实现的接口。我究竟做错了什么。
目录结构
XML.php
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Config\Reader;
use XMLReader;
use Zend\Config\Exception;
/**
* XML config reader.
*/
class Xml implements ReaderInterface
{
/**
* XML Reader instance.
*
* @var XMLReader
*/
protected $reader;
/**
* Directory of the file to process.
*
* @var string
*/
protected $directory;
/**
* Nodes to handle as plain text.
*
* @var array
*/
protected $textNodes = array(
XMLReader::TEXT,
XMLReader::CDATA,
XMLReader::WHITESPACE,
XMLReader::SIGNIFICANT_WHITESPACE
);
/**
* fromFile(): defined by Reader interface.
*
* @see ReaderInterface::fromFile()
* @param string $filename
* @return array
* @throws Exception\RuntimeException
*/
public function fromFile($filename)
{
if (!is_file($filename) || !is_readable($filename)) {
throw new Exception\RuntimeException(sprintf(
"File '%s' doesn't exist or not readable",
$filename
));
}
$this->reader = new XMLReader();
$this->reader->open($filename, null, LIBXML_XINCLUDE);
$this->directory = dirname($filename);
set_error_handler(
function ($error, $message = '', $file = '', $line = 0) use ($filename) {
throw new Exception\RuntimeException(sprintf(
'Error reading XML file "%s": %s',
$filename, $message
), $error);
}, E_WARNING
);
$return = $this->process();
restore_error_handler();
return $return;
}
/**
* fromString(): defined by Reader interface.
*
* @see ReaderInterface::fromString()
* @param string $string
* @return array|bool
* @throws Exception\RuntimeException
*/
public function fromString($string)
{
if (empty($string)) {
return array();
}
$this->reader = new XMLReader();
$this->reader->xml($string, null, LIBXML_XINCLUDE);
$this->directory = null;
set_error_handler(
function ($error, $message = '', $file = '', $line = 0) {
throw new Exception\RuntimeException(sprintf(
'Error reading XML string: %s',
$message
), $error);
}, E_WARNING
);
$return = $this->process();
restore_error_handler();
return $return;
}
/**
* Process data from the created XMLReader.
*
* @return array
*/
protected function process()
{
return $this->processNextElement();
}
/**
* Process the next inner element.
*
* @return mixed
*/
protected function processNextElement()
{
$children = array();
$text = '';
while ($this->reader->read()) {
if ($this->reader->nodeType === XMLReader::ELEMENT) {
if ($this->reader->depth === 0) {
return $this->processNextElement();
}
$attributes = $this->getAttributes();
$name = $this->reader->name;
if ($this->reader->isEmptyElement) {
$child = array();
} else {
$child = $this->processNextElement();
}
if ($attributes) {
if (!is_array($child)) {
$child = array();
}
$child = array_merge($child, $attributes);
}
if (isset($children[$name])) {
if (!is_array($children[$name]) || !array_key_exists(0, $children[$name])) {
$children[$name] = array($children[$name]);
}
$children[$name][] = $child;
} else {
$children[$name] = $child;
}
} elseif ($this->reader->nodeType === XMLReader::END_ELEMENT) {
break;
} elseif (in_array($this->reader->nodeType, $this->textNodes)) {
$text .= $this->reader->value;
}
}
return $children ?: $text;
}
/**
* Get all attributes on the current node.
*
* @return array
*/
protected function getAttributes()
{
$attributes = array();
if ($this->reader->hasAttributes) {
while ($this->reader->moveToNextAttribute()) {
$attributes[$this->reader->localName] = $this->reader->value;
}
$this->reader->moveToElement();
}
return $attributes;
}
}
错误
