Mustache.php从命名空间中启动 - include():未能打开流
问题描述:
使用简单的自动加载器时,从名称空间webpage
内启动的Mustache.php呈现数据正确,但也返回一长串警告,其文件。根据其官方documentation的推荐,胡须需要加入Autoloader.php
。Mustache.php从命名空间中启动 - include():未能打开流
我发现了几篇文章(1,2),讨论了类似的问题。典型的解决方案是在Mustache_Autoloader::register();
之前加上\
以将其加载到全局名称空间中。但是,这似乎并不适合我。
在Google Cloud PHP Development Server(5.5.26)和成熟的PHP服务器(7.1.9)上都会生成相同的警告列表。
最小代码如下。
目录结构:
内容index.php
.
│ index.php
└───app
├───controllers
│ └───webpage
│ home.php
└───vendor
└───Mustache
Autoloader.php
:
内容的home.php
function autoloader($class)
{
include($_SERVER['DOCUMENT_ROOT'] . '/app/controllers/' . $class . '.php');
}
spl_autoload_register('autoloader');
new \webpage\home;
:
namespace webpage;
class home
{
function __construct()
{
require $_SERVER['DOCUMENT_ROOT'] . '/app/vendor/Mustache/Autoloader.php';
\Mustache_Autoloader::register();
$mustache = new \Mustache_Engine();
echo $mustache->render('Hello {{planet}}', array('planet' => 'World!'));
}
}
注意,在输出的最底层是一个正确呈现字符串“你好,世界”。
Warning: include(D:/project/app/controllers/Mustache_Engine.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Engine.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Loader_StringLoader.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Loader_StringLoader.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Loader.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Loader.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Cache_NoopCache.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Cache_NoopCache.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Cache_AbstractCache.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Cache_AbstractCache.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Cache.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Cache.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Logger.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Logger.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Parser.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Parser.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Tokenizer.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Tokenizer.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Compiler.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Compiler.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Template.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Template.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_Context.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_Context.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Warning: include(D:/project/app/controllers/Mustache_HelperCollection.php): failed to open stream: No such file or directory in D:\project\index.php on line 5
Warning: include(): Failed opening 'D:/project/app/controllers/Mustache_HelperCollection.php' for inclusion (include_path='.;D:\project;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine\php\sdk') in D:\project\index.php on line 5
Hello World!
你有什么想法如何解决它?谢谢。
答
PHP尝试在尝试加载文件时按顺序注册每个自动加载器。一旦一个自动加载器成功加载文件,它就会停止尝试。在你的情况下,它试图使用index.php
中的自动加载器,然后尝试使用Mustache自动加载器。
而且在index.php
自动加载磁带机是太天真:
function autoloader($class)
{
include($_SERVER['DOCUMENT_ROOT'] . '/app/controllers/' . $class . '.php');
}
spl_autoload_register('autoloader');
此代码盲目地与任何类名它给了,这样的文件是否存在调用include
。你可以从输出中看到,它试图在Mustache使用的每个类中包含一个controllers
的文件。
代码没有完全失败,因为在您的自动加载器无法加载文件后,PHP会尝试下一个注册的自动加载器(附带Mustache的那个),并成功加载必要的文件。
您可以在包含它之前通过检查文件的存在来修复自动加载器代码。在尝试加载文件之前,您还可以通过在类上检查webpage\
名称空间前缀来使其更智能一些。
我明白了,这就是为什么!我使用了'if(is_file($ _ SERVER ['DOCUMENT_ROOT']。'/ app/controllers /'。$ class。'.php'))'来检查文件是否存在并且工作。谢谢! – Glen