WordPress Warning file_get_contents Failed to Open Stream

Seeing the wordpress warning file_get_contents failed to open stream message can be confusing, especially if you’re not a developer. One minute your WordPress website appears to be working normally, and the next you are confronted with a PHP warning containing terms that seem impossible to understand.

The good news is that this error is usually fixable.

The warning generally means that WordPress or one of its plugins or themes attempted to read a file, but PHP could not access it. The file might be missing, the path could be incorrect, permissions may be preventing access, or a server configuration could be interfering with the request.

In this guide, we’ll explain exactly what the warning means, why it happens, and how to troubleshoot it step by step. You don’t need advanced coding knowledge to work through most of the solutions.

The Core Basics

Before fixing the problem, it helps to understand what WordPress is actually telling you.

`file_get_contents()` is a PHP function used to read the contents of a file or, in some circumstances, retrieve content from a URL. WordPress plugins, themes and custom code can use this function for tasks such as reading configuration files, loading templates, retrieving data or processing resources.

The phrase “failed to open stream” means PHP attempted to open the requested resource but couldn’t.

For example, you might see a warning similar to:

“`text
Warning: file_get_contents(/path/to/file.php): Failed to open stream: No such file or directory
“`

The important part is usually the reason following “Failed to open stream.”

Common causes include:

* No such file or directory — the requested file doesn’t exist at that location.
* Permission denied — PHP can see the file but isn’t allowed to access it.
* Failed to open stream: HTTP request failed — WordPress attempted to retrieve something remotely and the request failed.
* Incorrect file path — custom code or a plugin is looking in the wrong location.
* Broken plugin or theme — an update may have removed or moved a required file.
* Server configuration problems — PHP settings, security rules or hosting restrictions can interfere with file access.

Once you identify the exact cause, the solution becomes much easier.

Step-by-Step Guide to Fix the Error

1. Read the Complete Warning

Don’t immediately start changing files or installing plugins.

First, read the entire error message. The warning often identifies the exact file and location causing the problem.

Look for information such as:

“`text
/home/example/public_html/wp-content/plugins/example-plugin/file.php
“`

This can tell you whether the problem is coming from:

* A plugin
* Your active theme
* WordPress core
* A custom PHP file
* A specific server path

If the path contains `/wp-content/plugins/`, you should investigate that plugin first.

If it contains `/wp-content/themes/`, your theme deserves attention.

2. Check Whether the File Actually Exists

A very common reason for this warning is that WordPress is looking for a file that isn’t there.

Use your hosting control panel’s File Manager or an FTP client to navigate to the location shown in the warning.

For example, if WordPress is trying to access:

“`text
/wp-content/plugins/example-plugin/data/config.json
“`

check whether `config.json` actually exists.

If the file is missing, determine why.

It may have been accidentally deleted, an update may have failed, or the plugin may have been installed incorrectly.

3. Temporarily Disable the Suspected Plugin

If the warning identifies a plugin, disabling it is one of the quickest diagnostic tests.

Go to:

WordPress Dashboard → Plugins → Installed Plugins

Deactivate the suspected plugin and reload the affected page.

If the warning disappears, you’ve probably found the source.

You can then:

* Update the plugin.
* Reinstall it.
* Check the developer’s support documentation.
* Contact the plugin developer.
* Replace the plugin if it is abandoned.

If you cannot access the WordPress dashboard, you can usually rename the plugin’s folder through File Manager.

For example:

“`text
example-plugin
“`

could temporarily become:

“`text
example-plugin-disabled
“`

WordPress will no longer load the plugin.

4. Check File and Folder Permissions

If the file exists but PHP cannot open it, permissions could be responsible.

Typical WordPress permissions are:

* Folders: `755`
* Files: `644`

You can check these through your hosting File Manager.

Avoid simply setting everything to `777`.

Although that can sometimes make an access problem disappear, it creates a significant security risk because it gives excessive permissions to files and directories.

If permissions have been changed incorrectly, restore them to sensible WordPress defaults.

5. Check the File Path

Custom WordPress code frequently causes `file_get_contents()` problems because of an incorrect path.

For example, code may attempt to access:

“`php
file_get_contents(‘/wrong/path/config.json’);
“`

when the file is actually somewhere else.

If you’re comfortable inspecting PHP, look for the `file_get_contents()` call in the file identified by the warning.

Developers should generally use WordPress functions such as `plugin_dir_path()`, `get_template_directory()` or related path functions instead of relying on fragile hard-coded paths.

For example:

“`php
$file = plugin_dir_path(__FILE__) . ‘config.json’;
$content = file_get_contents($file);
“`

This makes the path relative to the plugin’s actual location.

6. Check Whether the Problem Involves a URL

Not every `file_get_contents()` warning concerns a local file.

Some plugins use the function to retrieve information from an external URL.

You might see something like:

“`text
Failed to open stream: HTTP request failed
“`

In that situation, investigate:

* Whether the remote website is online.
* Whether the URL is correct.
* Whether HTTPS is working properly.
* Whether your hosting provider blocks the request.
* Whether the remote server is rejecting your request.
* Whether a firewall or security plugin is interfering.

WordPress sites can also encounter problems when external requests are restricted by server configuration.

7. Update WordPress, Plugins and Themes

Outdated software can cause compatibility problems.

Before making significant changes, create a backup of your website.

Then update:

1. WordPress core
2. Plugins
3. Themes
4. PHP, if your hosting environment recommends an appropriate supported version

Pay particular attention to the plugin or theme named in the warning.

If the problem appeared immediately after an update, the update itself may have introduced the issue. In that situation, restoring the previous working version can help confirm the cause while you wait for a permanent fix.

8. Increase Debugging Information — Safely

WordPress debugging can provide valuable information when the cause isn’t obvious.

For development and troubleshooting, WordPress debugging can be enabled in `wp-config.php`.

A typical configuration includes:

“`php
define(‘WP_DEBUG’, true);
define(‘WP_DEBUG_LOG’, true);
define(‘WP_DEBUG_DISPLAY’, false);
“`

The final setting is particularly important on a live website because you generally don’t want PHP warnings displayed publicly to visitors.

Errors can instead be recorded in the WordPress debug log.

Once troubleshooting is finished, disable debugging on a production website unless you have a specific reason to keep it enabled.

9. Check the Hosting Environment

If the file exists, permissions are correct and the plugin appears healthy, the hosting environment may be contributing to the problem.

Check whether your server has restrictions affecting:

* PHP file access
* Outbound HTTP requests
* SSL certificates
* Firewall rules
* PHP version compatibility
* Security modules
* Resource limits

This is where good hosting support can save considerable time.

If you’ve exhausted the WordPress-level checks, contact your hosting provider and provide the complete warning, including the file path and error message.

Best Practices and Pro Tips

The easiest way to deal with WordPress errors is to prevent them from becoming recurring problems.

Keep WordPress core, plugins and themes updated, but avoid installing unnecessary plugins. Every additional plugin introduces another potential source of compatibility problems.

Always maintain a recent backup before updating plugins, themes or WordPress itself. A backup gives you a recovery option if an update removes a file or creates a compatibility problem.

Don’t ignore repeated PHP warnings simply because visitors can still access your website. A warning may indicate broken functionality that hasn’t become obvious yet.

Use sensible file permissions, preferably 644 for files and 755 for directories, unless your hosting environment requires something different.

Finally, use reliable WordPress hosting with current PHP versions, sensible security controls and responsive support. A stable hosting environment can eliminate many server-related causes and make troubleshooting considerably easier.

Common Mistakes to Avoid

1. Setting Everything to 777

This is an unnecessarily dangerous shortcut. Correct the specific permission problem instead.

2. Editing WordPress Core

Don’t modify WordPress core files to hide an error caused by a plugin or theme. Core changes can be overwritten during updates and create additional problems.

3. Ignoring the File Path

The path shown in the warning is often one of your most valuable clues. Don’t skip it.

4. Leaving Debugging Visible

`WP_DEBUG_DISPLAY` should generally be disabled on live websites. Visitors don’t need to see technical PHP warnings.

Conclusion: Fix the Cause, Not Just the Warning

The wordpress warning file_get_contents failed to open stream message looks technical, but the underlying problem is often straightforward.

Start by reading the complete warning and identifying the file involved. Then check whether the file exists, inspect permissions, investigate the responsible plugin or theme, verify file paths and consider whether the request involves an external URL.

If the WordPress-level checks don’t solve the problem, your hosting environment may need investigation.

At WP Fix It Co, our goal is to make WordPress troubleshooting easier to understand and easier to implement. Don’t just hide the warning—find the underlying cause and fix it properly.