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    get_included_files

    (PHP 4, PHP 5, PHP 7, PHP 8)

    get_included_files — Returns an array with the names of included or required files

    Description

    get_included_files(): array

    Gets the names of all files that have been included using include, include_once, require or require_once.

    Parameters

    This function has no parameters.

    Return Values

    Returns an array of the names of all files.

    The script originally called is considered an "included file," so it will be listed together with the files referenced by include and family.

    Files that are included or required multiple times only show up once in the returned array.

    Examples

    Example #1 get_included_files() example

    <?php
    // This file is abc.php

    include 'test1.php';
    include_once     'test2.php';
    require     'test3.php';
    require_once     'test4.php';

    $included_files = get_included_files();

    foreach (    $included_files as $filename) {
    echo     "$filename\n";
    }

    ?>

    The above example will output:

    /path/to/abc.php
/path/to/test1.php
/path/to/test2.php
/path/to/test3.php
/path/to/test4.php

    See Also

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    User Contributed Notes 7 notes

    up
    23
    keystorm :at: gmail dotcom
    20 years ago
    As of PHP5, this function seems to return an array with the first index being the script all subsequent scripts are included to.
    If index.php includes b.php and c.php and calls get_included_files(), the returned array looks as follows:

    index.php
    a.php
    b.php

    while in PHP<5 the array would be:

    a.php
    b.php

    If you want to know which is the script that is including current script you can use $_SERVER['SCRIPT_FILENAME'] or any other similar server global.

    If you also want to ensure current script is being included and not run independently you should evaluate following expression:

    __FILE__ != $_SERVER['SCRIPT_FILENAME']

    If this expression returns TRUE, current script is being included or required.
    up
    13
    yarco dot w at gmail dot com
    17 years ago
    If you have a MAIN php script which you don't want to be included by other scripts, you could use this function. For example:

    main.php:
    <?php
    function blockit()
    {
          $buf = get_included_files();
      return     $buf[0] != __FILE__;
    }

    blockit() and exit("You can not include a MAIN file as a part of your script.");

    print     "OK";
    ?>

    So other script couldn't include main.php to modify its internal global vars.
    up
    4
    D
    4 years ago
    It's perhaps not clear from the existing docs that the returned list contains nested include files as well.

    That is, if A.php includes B.php, and B.php includes C.php, the result returned when calling get_included_files() from inside A.php WILL contain 'C.php'.
    up
    3
    RPaseur at NationalPres dot org
    18 years ago
    As is often the case, YMMV.  I tried the __FILE__ and SCRIPT_FILENAME comparison and found this:

    SCRIPT_FILENAME: /var/www/cgi-bin/php441
    __FILE__: /raid/home/natpresch/natpresch/RAY_included.php

    As an alternative:

    count(get_included_files());

    Gives one when the script is standalone and always more than one when the script is included.
    up
    2
    donikuntoro at integraasp dot com
    13 years ago
    This function aims to perform filtering of files that have been included :

    <?php
    function setIncludeFiles($arrayInc = array()){
            $incFiles = get_included_files();
        if((    count($arrayInc)>0)&&(count($incFiles)>0)){
                $aInt = array_intersect($arrayInc,$incFiles);
            if(    count($aInt)>0){
                return     false;
           }elseif(    count($aInt)<1) {
            foreach(    $arrayInc as $inc){
                if(    is_file($inc))
                    include(    $inc);
                else{
                    return     false;
                }
            }
           }   
        }else{
            return     false;
        }
    }
    ?>

    Usage :

    <?php
    $toBeInclude     = array('/data/your_include_files_1.php',
    '/data/your_include_files_2.php',
    '/data/your_include_files_3.php',
    );
    setIncludeFiles($toBeInclude);
    ?>

    Return false if something goes wrong.
    up
    -1
    Aurelien Marchand
    2 years ago
    This is a great way to emulate Python's '__name__ = "__main__"'

    <?php
          if(get_included_files()[0] === __FILE__) doStuff();
    ?>
    up
    -17
    indigohaze at gmail dot com
    18 years ago
    Something that's not noted in the docs, if a file is included remotely and you do a get_included_files() in the include itself it will *not* return the document that included it.

    ie:
    test2.php (server 192.168.1.14):
    <?php

    include("http://192.168.1.11/test/test3.php");

    ?>

    test3.php (server 192.168.1.11):

    <?php

    $files     = get_included_files();

    print_r($files);
    ?>

    returns:

    Array ( [0] => /var/www/localhost/htdocs/test/test3.php )

    Which means you can use get_included_files() to help intercept and prevent XSS-style attacks against your code.
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