blocks|key|367388|text|这应该是可行的|type|unstyled|depth|inlineStyleRanges|entityRanges|data|367389|$root+=+realpath($_SERVER["DOCUMENT_ROOT"]);

include+"$root/inc/include1.php";|code-block|syntax|javascript|367390|367391|编辑:由aussieviking添加的改进|offset|length|style|BOLD|367392|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/4369/include-files-requiring-an-absolute-path#4388^0|0|0|0|0|J|4|C|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|W|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@$J|Z|K|10|L|M]]|9|@$J|11|K|12|1|13]]|A|$]]|$1|N|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U]]]]

This should work 

<pre><code>$root = realpath($_SERVER["DOCUMENT_ROOT"]);

include "$root/inc/include1.php";
</code></pre>

<hr>

Edit: added imporvement by <a href="https://stackoverflow.com/questions/4369/include-files-requiring-an-absolute-path#4388">aussieviking</a>

blocks|key|3376688|text|您可以使用相对路径。试试__FILE__。这是一个PHP常量，它总是返回它所在的脚本的路径/文件名。因此，在soap.php中，您可以这样做：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3376689|include+dirname(__FILE__).'/../inc/include.php';|code-block|syntax|javascript|3376690|3376691|文件的完整路径和文件名。如果在include中使用，则返回包含文件的名称。从PHP4.0.2开始，__FILE__总是包含一个解析了符号链接的绝对路径，而在较早的版本中，它在某些情况下包含相对路径。(source)|blockquote|3376692|3376693|3376694|另一种解决方案是在httpd.conf或.htaccess文件中设置包含路径。|BOLD|3376695|entityMap|0|LINK|mutability|MUTABLE|url|http://us2.php.net/constants.predefined^0|C|8|1I|8|0|0|0|1D|8|2R|8|0|0|0|0|Y|4|0^^$0|@$1|2|3|4|5|6|7|11|8|@$9|12|A|13|B|C]|$9|14|A|15|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|16|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|17|8|@]|D|@]|E|$]]|$1|L|3|M|5|N|7|18|8|@$9|19|A|1A|B|C]]|D|@$9|1B|A|1C|1|1D]]|E|$]]|$1|O|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]|$1|P|3|-4|5|6|7|1F|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1G|8|@$9|1H|A|1I|B|S]]|D|@]|E|$]]|$1|T|3|-4|5|6|7|1J|8|@]|D|@]|E|$]]]|U|$V|$5|W|X|Y|E|$Z|10]]]]

You can use relative paths. Try <code>__FILE__</code>. This is a PHP constant which always returns the path/filename of the script it is in. So, in <code>soap.php</code>, you could do:

<pre><code>include dirname(__FILE__).'/../inc/include.php';
</code></pre>

<blockquote>
 The full path and filename of the
 file. If used inside an include, the
 name of the included file is returned.
 Since PHP 4.0.2, <code>__FILE__</code> always
 contains an absolute path with
 symlinks resolved whereas in older
 versions it contained relative path
 under some circumstances.
 <a href="http://us2.php.net/constants.predefined" rel="noreferrer">(source)</a>
</blockquote>

Another solution would be to set an include path in your httpd.conf or an .htaccess file.

blocks|key|3163919|text|看一看http://au.php.net/reserved.variables|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3163920|我认为您要查找的变量是：$_SERVER["DOCUMENT_ROOT"]|style|CODE|3163921|entityMap|0|LINK|mutability|MUTABLE|url|http://au.php.net/reserved.variables^0|3|10|0|0|C|P|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@$A|U|B|V|F|G]]|9|@]|C|$]]|$1|H|3|-4|5|6|7|W|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]]]

have a look at <a href="http://au.php.net/reserved.variables" rel="nofollow noreferrer">http://au.php.net/reserved.variables</a>

I think the variable you are looking for is: <code>$_SERVER["DOCUMENT_ROOT"]</code>

blocks|key|3376988|text|处理这种情况的另一种方法是使用autoload特性，这样就完全不需要包含了。包括你的脚本所需要的一切“以防万一”可能会影响性能。如果您的includes都是类或接口定义，并且您希望仅在需要时加载它们，则可以使用您自己的代码重载__autoload()函数，以找到适当的类文件，并仅在调用它时才加载它。以下是手册中的示例：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3376989|function+__autoload($class_name)+{
++++require_once+$class_name+.+'.php';
}

$obj++=+new+MyClass1();
$obj2+=+new+MyClass2();+|code-block|syntax|javascript|3376990|只要相应地设置了include_path变量，就再也不需要包含类文件了。|3376991|entityMap|0|LINK|mutability|MUTABLE|url|http://www.php.net/manual/en/language.oop5.autoload.php^0|35|C|F|8|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|G|5|H|7|10|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|11|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

Another way to handle this that removes any need for includes at all is to use the <a href="http://www.php.net/manual/en/language.oop5.autoload.php" rel="noreferrer">autoload</a> feature. Including everything your script needs "Just in Case" can impede performance. If your includes are all class or interface definitions, and you want to load them only when needed, you can overload the <code>__autoload()</code> function with your own code to find the appropriate class file and load it only when it's called. Here is the example from the manual:

<pre><code>function __autoload($class_name) {
 require_once $class_name . '.php';
}

$obj = new MyClass1();
$obj2 = new MyClass2(); 
</code></pre>

As long as you set your include_path variables accordingly, you never need to include a class file again.

blocks|key|3163844|text|您可以使用项目根目录的路径定义一个常量，然后将其放在路径的开头。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3163845|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You could define a constant with the path to the root directory of your project, and then put that at the beginning of the path.

blocks|key|370965|text|与Kevin相关的另一个选择是使用__FILE__，但替换其中的php文件名：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|370966|<?php

$docRoot+=+str_replace($_SERVER['SCRIPT_NAME'],+'',+__FILE__);
require_once($docRoot+.+'/lib/include.php');

?>|code-block|syntax|javascript|370967|我用这个已经有一段时间了。唯一的问题是有时你没有$_SERVER['SCRIPT_NAME']，但有时有另一个类似的变量。|370968|entityMap^0|H|8|0|0|O|N|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|M|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|N|$]]

Another option, related to Kevin's, is use <code>__FILE__</code>, but instead replace the php file name from within it:

<pre><code>&lt;?php

$docRoot = str_replace($_SERVER['SCRIPT_NAME'], '', __FILE__);
require_once($docRoot . '/lib/include.php');

?&gt;
</code></pre>

I've been using this for a while. The only problem is sometimes you don't have <code>$_SERVER['SCRIPT_NAME']</code>, but sometimes there is another variable similar.

blocks|key|3164336|text|我发现这样做效果很好！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3164337|function+findRoot()+{+
++++return(substr($_SERVER["SCRIPT_FILENAME"],+0,+(stripos($_SERVER["SCRIPT_FILENAME"],+$_SERVER["SCRIPT_NAME"])%2B1)));
}|code-block|syntax|javascript|3164338|使用：|3164339|<?php

function+findRoot()+{
++++return(substr($_SERVER["SCRIPT_FILENAME"],+0,+(stripos($_SERVER["SCRIPT_FILENAME"],+$_SERVER["SCRIPT_NAME"])%2B1)));
}

include(findRoot()+.+'Post.php');
$posts+=+getPosts(findRoot()+.+'posts_content');

include(findRoot()+.+'includes/head.php');

for+($i=(sizeof($posts)-1);+0+<=+$i;+$i--)+{
++++$posts[$i]->displayArticle();
}

include(findRoot()+.+'includes/footer.php');

?>|3164340|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I found this to work very well!

<pre><code>function findRoot() { 
 return(substr($_SERVER["SCRIPT_FILENAME"], 0, (stripos($_SERVER["SCRIPT_FILENAME"], $_SERVER["SCRIPT_NAME"])+1)));
}
</code></pre>

Use:

<pre><code>&lt;?php

function findRoot() {
 return(substr($_SERVER["SCRIPT_FILENAME"], 0, (stripos($_SERVER["SCRIPT_FILENAME"], $_SERVER["SCRIPT_NAME"])+1)));
}

include(findRoot() . 'Post.php');
$posts = getPosts(findRoot() . 'posts_content');

include(findRoot() . 'includes/head.php');

for ($i=(sizeof($posts)-1); 0 &lt;= $i; $i--) {
 $posts[$i]-&gt;displayArticle();
}

include(findRoot() . 'includes/footer.php');

?&gt;
</code></pre>

blocks|key|3376788|text|我认为最好的方法是将您的包含放在PHP包含路径中。根据您的设置，有多种方法可以做到这一点。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3376789|然后，您可以简单地引用|3376790|require_once+'inc1.php';|code-block|syntax|javascript|3376791|从任何文件内部，无论它位于includes中、web可访问文件中或任何级别的嵌套子目录中。|3376792|这允许您将包含文件放在web服务器根目录之外，这是一种最佳实践。|3376793|例如：|3376794|site+directory
++++html+(web+root)
++++++++your+web-accessible+files
++++includes
++++++++your+include+files|3376795|此外，还可以查看类文件延迟加载的__autoload|3376796|http://www.google.com/search?q=setting%2Bphp%2Binclude%2Bpath|offset|length|3376797|http://www.google.com/search?q=__autoload|3376798|entityMap|0|LINK|mutability|MUTABLE|url|http://www.google.com/search?q=setting%2Bphp%2Binclude%2Bpath|1^0|0|0|0|0|0|0|0|0|0|1J|0|0|0|15|1|0^^$0|@$1|2|3|4|5|6|7|17|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|18|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|19|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|1A|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|1B|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|1C|8|@]|9|@]|A|$]]|$1|O|3|P|5|F|7|1D|8|@]|9|@]|A|$G|H]]|$1|Q|3|R|5|6|7|1E|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1F|8|@]|9|@$U|1G|V|1H|1|1I]]|A|$]]|$1|W|3|X|5|6|7|1J|8|@]|9|@$U|1K|V|1L|1|1M]]|A|$]]|$1|Y|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]|16|$5|11|12|13|A|$14|X]]]]

I think the best way is to put your includes in your PHP include path. There are various ways to do this depending on your setup. 

Then you can simply refer to 

<pre><code>require_once 'inc1.php';
</code></pre>

from inside any file regardless of where it is whether in your includes or in your web accessible files, or any level of nested subdirectories.

This allows you to have your include files outside the web server root, which is a best practice.

e.g. 

<pre><code>site directory
 html (web root)
 your web-accessible files
 includes
 your include files
</code></pre>

Also, check out __autoload for lazy loading of class files

<a href="http://www.google.com/search?q=setting+php+include+path" rel="nofollow noreferrer">http://www.google.com/search?q=setting+php+include+path</a>

<a href="http://www.google.com/search?q=__autoload" rel="nofollow noreferrer">http://www.google.com/search?q=__autoload</a>

blocks|key|366168|text|require(str_repeat('../',(substr_count(getenv('SCRIPT_URL'),'/')-1))."/path/to/file.php");|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|366169|我使用这行代码。它返回到站点树的“顶部”，然后转到所需的文件。|unstyled|366170|例如，假设我有这样的文件树：|366171|366172|域名.com.aaa|blockquote|366173|366174|domain.com/bbb/ccc/ddd/index.php|366175|domain.com/_resources/functions.php|366176|我可以从我所在的位置包含functions.php文件，只需复制粘贴即可|366177|require(str_repeat('../',(substr_count(getenv('SCRIPT_URL'),'/')-1))."/_resources/functions.php");|366178|如果您需要多次使用此代码，则可以创建一个返回str_repeat('../',(substr_count(getenv('SCRIPT_URL'),'/')-1))部件的函数。然后只需将此函数插入到您包含的第一个文件中。我在每个php页面的顶部都包含了一个"initialize.php“文件，其中包含了这个函数。下一次我必须包含文件时，我实际上只使用了函数(名为path_back)：|offset|length|style|CODE|366179|require(path_back()."/_resources/another_php_file.php");|366180|entityMap^0|0|0|0|0|0|0|0|0|0|0|M|1O|52|9|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|16|8|@]|9|@]|A|$]]|$1|G|3|H|5|F|7|17|8|@]|9|@]|A|$]]|$1|I|3|-4|5|F|7|18|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|19|8|@]|9|@]|A|$]]|$1|M|3|-4|5|F|7|1A|8|@]|9|@]|A|$]]|$1|N|3|O|5|F|7|1B|8|@]|9|@]|A|$]]|$1|P|3|Q|5|F|7|1C|8|@]|9|@]|A|$]]|$1|R|3|S|5|F|7|1D|8|@]|9|@]|A|$]]|$1|T|3|U|5|6|7|1E|8|@]|9|@]|A|$B|C]]|$1|V|3|W|5|F|7|1F|8|@$X|1G|Y|1H|Z|10]|$X|1I|Y|1J|Z|10]]|9|@]|A|$]]|$1|11|3|12|5|6|7|1K|8|@]|9|@]|A|$B|C]]|$1|13|3|-4|5|F|7|1L|8|@]|9|@]|A|$]]]|14|$]]

<pre><code>require(str_repeat('../',(substr_count(getenv('SCRIPT_URL'),'/')-1))."/path/to/file.php");
</code></pre>

I use this line of code. It goes back to the "top" of the site tree, then goes to the file desired.

For example, let's say i have this file tree: 

<blockquote>
 domain.com/aaa/index.php 
 domain.com/bbb/ccc/ddd/index.php 
 domain.com/_resources/functions.php 
</blockquote>

I can include the functions.php file from wherever i am, just by copy pasting

<pre><code>require(str_repeat('../',(substr_count(getenv('SCRIPT_URL'),'/')-1))."/_resources/functions.php");
</code></pre>

If you need to use this code many times, you may create a function that returns the <code>str_repeat('../',(substr_count(getenv('SCRIPT_URL'),'/')-1))</code> part. Then just insert this function in the first file you include. I have an "initialize.php" file that i include at the very top of each php page and which contains this function. The next time i have to include files, i in fact just use the function (named <code>path_back</code>):

<pre><code>require(path_back()."/_resources/another_php_file.php");
</code></pre>

blocks|key|370948|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|370949|+@Flubba，这是否允许我在include目录中包含文件夹？扁平的包含目录让我做噩梦。因为整个对象目录应该在inc目录中。|blockquote|370950|370951|哦，是的，当然。例如，我们通常使用单层子文件夹：|370952|require_once('library/string.class.php')|code-block|syntax|javascript|370953|在流量非常大的站点中，您需要注意过度依赖include路径，因为php必须搜索当前目录，然后查找include路径上的所有目录，以便查看您的文件是否在那里，如果您遇到麻烦，这可能会减慢速度。|370954|例如，如果您正在执行MVC，则应将应用程序目录的路径放在include路径中，然后在表单中指定引用内容|370955|'model/user.class'
'controllers/front.php'|370956|或者别的什么。|370957|但一般来说，它只允许您在PHP中使用非常短的路径，这些路径可以在任何地方工作，而且比所有realpath文档根马拉键更容易阅读。|370958|其他人建议的那些基于脚本的替代方案的好处是，它们可以在任何地方使用，甚至可以在共享盒上使用；设置包含路径需要更多的思考和努力，但正如我前面提到的，它让您开始使用__autoload，这是最酷的。|370959|entityMap^0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|-4|4|5|6|Z|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|10|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|11|7|@]|8|@]|9|$]]|$1|E|3|F|4|5|6|12|7|@]|8|@]|9|$]]|$1|G|3|H|4|I|6|13|7|@]|8|@]|9|$J|K]]|$1|L|3|M|4|5|6|14|7|@]|8|@]|9|$]]|$1|N|3|O|4|5|6|15|7|@]|8|@]|9|$]]|$1|P|3|Q|4|I|6|16|7|@]|8|@]|9|$J|K]]|$1|R|3|S|4|5|6|17|7|@]|8|@]|9|$]]|$1|T|3|U|4|5|6|18|7|@]|8|@]|9|$]]|$1|V|3|W|4|5|6|19|7|@]|8|@]|9|$]]|$1|X|3|-4|4|5|6|1A|7|@]|8|@]|9|$]]]|Y|$]]

<blockquote>
 <blockquote>
 @Flubba, does this allow me to have folders inside my include directory? flat include directories give me nightmares. as the whole objects directory should be in the inc directory.
 </blockquote>
</blockquote>

Oh yes, absolutely. So for example, we use a single layer of subfolders, generally:

<pre><code>require_once('library/string.class.php')
</code></pre>

You need to be careful with relying on the include path too much in really high traffic sites, because php has to hunt through the current directory and then all the directories on the include path in order to see if your file is there and this can slow things up if you're getting hammered. 

So for example if you're doing MVC, you'd put the path to your application directoy in the include path and then specify refer to things in the form

<pre><code>'model/user.class'
'controllers/front.php'
</code></pre>

or whatever.

But generally speaking, it just lets you work with really short paths in your PHP that will work from anywhere and it's a lot easier to read than all that realpath document root malarkey. 

The benefit of those script-based alternatives others have suggested is they work anywhere, even on shared boxes; setting the include path requires a little more thought and effort but as I mentioned lets you start using __autoload which just the coolest.

blocks|key|3164420|text|如果要在应用程序的大多数文件中包含特定路径，请在根文件夹中创建一个全局变量。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3164421|define("APPLICATION_PATH",+realpath(dirname(__FILE__)+.+'/../app'));
or+
define("APPLICATION_PATH",+realpath(DIR(__FILE__)+.+'/../app'));|code-block|syntax|javascript|3164422|现在，这个全局变量"APPLICATION_PATH“可以用来包含所有文件，而不是每次包含新文件时都调用realpath()。|3164423|例如：|3164424|include(APPLICATION_PATH+."/config/config.ini";|3164425|希望它能有所帮助;-)|3164426|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|T|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|U|8|@]|9|@]|A|$E|F]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

If you are going to include specific path in most of the files in your application, create a Global variable to your root folder.

<pre><code>define("APPLICATION_PATH", realpath(dirname(__FILE__) . '/../app'));
or 
define("APPLICATION_PATH", realpath(DIR(__FILE__) . '/../app'));
</code></pre>

Now this Global variable "APPLICATION_PATH" can be used to include all the files instead of calling realpath() everytime you include a new file.

EX: 

<pre><code>include(APPLICATION_PATH ."/config/config.ini";
</code></pre>

Hope it helps ;-)

I have a directory structure like the following;

<blockquote>
 script.php
 
 inc/include1.php 
 inc/include2.php
 
 objects/object1.php 
 objects/object2.php
 
 soap/soap.php
</blockquote>

Now, I use those objects in both <code>script.php</code> and <code>/soap/soap.php</code>, I could move them, but I want the directory structure like that for a specific reason. When executing <code>script.php</code> the include path is <code>inc/include.php</code> and when executing <code>/soap/soap.php</code> it's <code>../inc</code>, absolute paths work, <code>/mnt/webdev/[project name]/inc/include1.php...</code> But it's an ugly solution if I ever want to move the directory to a different location.

So is there a way to use relative paths, or a way to programmatically generate the <code>"/mnt/webdev/[project name]/"</code>?

How to include PHP files that require an absolute path?

服务器

我有一个类似下面的目录结构； script.phpinc/inc de1.phpinc/inc de2.phpobjects/object1.phpobjects/object2.phpsoap/soap.php现在，我在script.php和/soap/soap.php中都使用了这些对象，我可以移动它们，但出于特定的原因，我想要这样的目录结构。当执行script.php时，包含路径是inc/in

问如何包含需要绝对路径的PHP文件？
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回答 11

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问如何包含需要绝对路径的PHP文件？EN

回答 11

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问如何包含需要绝对路径的PHP文件？
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