警告:showBlogSection() 的参数 3 应为引用,值在/home/smartsta/public_html/includes/Cache/Lite/Function.php 第 100 行给出
我的 Joomla 网站上的内容区域突然出现上述错误,有什么建议吗?
更新: 找不到访问 godaddy ftp 文件目录、ftp 或 Joomal C 面板中定义的文件和目录的运气。
在 FTP 中,我找不到对这个特定文件的访问权限来调查第 100 行的内容。
在 Joomla 面板中,在全局配置中,我能够将“错误消息”切换为无,以便至少隐藏此错误。在缓存目录中,我没有看到任何进入该文件夹的选项,尽管它显示了。
我还在那个 c-panel 屏幕的底部看到了这个,但只是链接到一个 joomla 帮助站点,并且在字段中我没有看到描述的区域来切换“打开或关闭”
“以下 PHP 服务器设置不是最佳的安全性,建议更改它们:
PHP register_globals 设置为 ON
而不是 OFF
"
更新2!
我找到了有问题的文件,下面是代码。第 100 行仅声明:
全局 $$object_123456789;
应用程序/x-httpd-php Function.php PHP脚本文本
<?php
/**
* This class extends Cache_Lite and can be used to cache the result and output of functions/methods
*
* This class is completly inspired from Sebastian Bergmann's
* PEAR/Cache_Function class. This is only an adaptation to
* Cache_Lite
*
* There are some examples in the 'docs/examples' file
* Technical choices are described in the 'docs/technical' file
*
* @package Cache_Lite
* @version $Id: Function.php 47 2005-09-15 02:55:27Z rhuk $
* @author Sebastian BERGMANN <sb@sebastian-bergmann.de>
* @author Fabien MARTY <fab@php.net>
*/
// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );
require_once( $mosConfig_absolute_path . '/includes/Cache/Lite.php' );
class Cache_Lite_Function extends Cache_Lite
{
// --- Private properties ---
/**
* Default cache group for function caching
*
* @var string $_defaultGroup
*/
var $_defaultGroup = 'Cache_Lite_Function';
// --- Public methods ----
/**
* Constructor
*
* $options is an assoc. To have a look at availables options,
* see the constructor of the Cache_Lite class in 'Cache_Lite.php'
*
* Comparing to Cache_Lite constructor, there is another option :
* $options = array(
* (...) see Cache_Lite constructor
* 'defaultGroup' => default cache group for function caching (string)
* );
*
* @param array $options options
* @access public
*/
function Cache_Lite_Function($options = array(NULL))
{
if (isset($options['defaultGroup'])) {
$this->_defaultGroup = $options['defaultGroup'];
}
$this->Cache_Lite($options);
}
/**
* Calls a cacheable function or method (or not if there is already a cache for it)
*
* Arguments of this method are read with func_get_args. So it doesn't appear
* in the function definition. Synopsis :
* call('functionName', $arg1, $arg2, ...)
* (arg1, arg2... are arguments of 'functionName')
*
* @return mixed result of the function/method
* @access public
*/
function call()
{
$arguments = func_get_args();
$id = serialize($arguments); // Generate a cache id
if (!$this->_fileNameProtection) {
$id = md5($id);
// if fileNameProtection is set to false, then the id has to be hashed
// because it's a very bad file name in most cases
}
$data = $this->get($id, $this->_defaultGroup);
if ($data !== false) {
$array = unserialize($data);
$output = $array['output'];
$result = $array['result'];
} else {
ob_start();
ob_implicit_flush(false);
$target = array_shift($arguments);
if (strstr($target, '::')) { // classname::staticMethod
list($class, $method) = explode('::', $target);
$result = call_user_func_array(array($class, $method), $arguments);
} else if (strstr($target, '->')) { // object->method
// use a stupid name ($objet_123456789 because) of problems when the object
// name is the same as this var name
list($object_123456789, $method) = explode('->', $target);
global $$object_123456789;
$result = call_user_func_array(array($$object_123456789, $method), $arguments);
} else { // function
$result = call_user_func_array($target, $arguments);
}
$output = ob_get_contents();
ob_end_clean();
$array['output'] = $output;
$array['result'] = $result;
$this->save(serialize($array), $id, $this->_defaultGroup);
}
echo($output);
return $result;
}
}
?>
最佳答案
这不完全是错误。这是一个警告。
突然?也许您已经升级/更新了您的 PHP 版本。或者将 PHP 配置更改为“严格模式”。
消息“expected to be a reference, value given”表示被调用的函数期望接收到reference,而不是value。看:
$something = 9;
show_section($something);
// here you are passing a variable
// this will be accepted as a reference
show_section(9);
// here you are NOT passing a reference
// here you are passing a VALUE
当您“通过引用”传递时,函数可以更改变量值...在上面的示例中:
function show_section(&$parameter) {
$parameter = 'changed!';
}
请注意
$parameter
之前的 & 符号&
- 这就是我们指定函数需要 REFERENCE 的方式。函数调用后,在上面的示例中,变量
$something
的值将是changed!
字符串。
引发错误的行不是“全局”行。接下来是:
$result = call_user_func_array(array($$object_123456789, $method), $arguments);
这里的问题是该函数是通过使用“call_user_func_array”函数间接调用的。
解决方案是将所有参数转换为引用。建议:
foreach ($arguments as $count => $value)
{
$param = 'param' . $count;
$$param = $value;
$arguments[$count] = &$$param;
}
将上面的代码放在 call
函数的开头,紧挨着以下行之后:
$id = serialize($arguments);
试一试!
关于php - 页面内容中的 Joomla PHP 错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/9656247/