Member Avatar for davy_yg

Hello,

Can anyone help me cek this filepath :

$bannerAdsPath = 'localhost/phpads/install.php';
require 'localhost/phpads/install.php';

Is it correct how I wrote it?

This error appears:

Warning: require(localhost/phpads/install.php) [function.require]: failed to open stream: No such file or directory in C:\xampp\htdocs\phpads\admin.php on line 6

Fatal error: require() [function.require]: Failed opening required 'localhost/phpads/install.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\phpads\admin.php on line 6

Edited by davy_yg
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Short version: the problem isn’t your browser hostname — it’s that PHP’s require() needs a filesystem path (relative or absolute), not a URL/hostname. was right to suspect the file can’t be found and was right to point out the hostname vs filesystem distinction. The error means PHP tried to locate a file on disk and failed.

Use a path that’s explicitly relative to the PHP file or an absolute filesystem path. A robust, portable pattern is to build the path from the current file’s directory so you don’t depend on the process working directory:

// safe: path always resolved relative to this PHP file
require_once __DIR__ . '/path/to/your-file.php';

Quick troubleshooting steps:

  • Dump the directories so you know what PHP is using: var_dump(__DIR__, getcwd());
  • Check existence with file_exists() or is_file() for the exact path you plan to require.
  • On Linux check case sensitivity; on Windows prefer forward slashes or escaped backslashes in literals.
  • If you used a leading slash, remember that means an absolute filesystem root (Unix) or a drive-root on Windows — it does not mean “document root” in all setups.
  • If you tried to require an HTTP URL, that only works when URL include wrappers are enabled in php.ini (not recommended).

Tie-ins to other replies: ’s remark about relative paths creating nested lookups is the gotcha here; ’s .. solution can work but is fragile across moves; ’s HTTP suggestion will only work if PHP is configured to allow it and is generally less secure. Use DIR (or $_SERVER['DOCUMENT_ROOT'] carefully) and file_exists checks to make the include deterministic.

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Member Avatar for Riu 2009

<?php require 'localhost/phpads/install.php'; ?>

this simply shows that you donot have the file in that directory, whcih you are giving path of.

check the spellings of the actual file and compare. Are you sure that the file is in the directory?

Member Avatar for davy_yg

yes, I do have the file.

I wonder if I wrote the file path correctly (basically it's in localhost/phpads/install.php)

how to write it? Is it like this:

<?php require 'xampp/htdocs/phpads/install.php'; ?>

Edited by davy_yg
Member Avatar for GliderPilot

require 'localhost/phpads/install.php' is relative to your current file path so this would load C:\xampp\htdocs\phpads\localhost\phpads\install.php

You need the leading slash require '/localhost/phpads/install.php';

Member Avatar for adam.adamski.96155

I think you are confusing two file system types; localhost is for the browser address bar and relates to hostnames, but the script needs the system path. If 'install.php' is in the same directory, then you can try './install.php' (./ is shorthand for this directory). You need to give the relative system path from the file that uses the require() to the required file itself, or you can give an absolute path: 'C:\xampp\htdocs\phpads\install.php'

Member Avatar for davy_yg

Here is my revision:

$bannerAdsPath = '/localhost/phpads/ads.dat';
require('/localhost/phpads/ads.inc.php');

and still get this error message:

Warning: require(/localhost/phpads/ads.inc.php) [function.require]: failed to open stream: No such file or directory in C:\xampp\htdocs\phpads\admin.php on line 6

Fatal error: require() [function.require]: Failed opening required '/localhost/phpads/ads.inc.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\phpads\admin.php on line 6

the file is truely there.

Member Avatar for julius.tago.3

hey i had the same issue and this is how i resolved it
$bannerAdsPath = '../phpads/ads.dat';
require('../phpads/ads.inc.php');

Hope its helps

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