致命错误：require（）：需要打开失败

Question

So, I have a directory and the sub like this

+task
  +Include  
    +vendor  
     - autoload.php

  +Theme  
    +action
     - doInsert.php
    +objects
     - CardAccessor.php

And the error appeared when I try to call the autoload.php in CardAccessor.php

doInsert.php

require_once '../objects/CardAccessor.php';

CardAccessor.php

require '/../include/vendor/autoload.php';

The error said :

Warning: require(/../include/vendor/autoload.php): failed to open stream: No such file or directory Fatal error: require(): Failed opening required '/../include/vendor/autoload.php'

Answer 1

require '/../include/vendor/autoload.php' won't work, you'll need to take the first slash off. As it is written, the first slash tells it to go to the root directory, then go up one from there (which it can't do, it's already at the root).

Given your directory structure, I believe that require '../../include/vendor/autoload.php' should work.

Answer 2

When you do an include , the path is always relative to the file that include the file.

What you need to put is require '../../Include/vendors/autoload.php' or set the full path like require '/my/project/path/task/Include/vendor/autoload.php' .

This is revelant to your problem : PHP - Relative paths "require"

Answer 3

you need to define a config

if this is linux unix use

$baseDir = "/base/dir"; //to define where in the root filesys where youre scripts and assets live

then use

$baseDir."/task/Include" or 
$baseDir."/task/Theme/objects/CardAccessor.php" or 
$baseDir."/task/include/vendor/autoload.php"

or you can create

$sourceDir = $baseDir."/task/";

this is also used for portability, if you decide to move the source you can modify the config; in addition, this is an efficient way to include or require files in your scripts.