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Fatal error: Call to undefined function apply_filters()

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Fatal error: Call to undefined function apply_filters()

When you install or update WordPress on your site, the ‘Fatal error: Call to undefined function apply_filters()’ occurrence is one of the common issues. Every WordPress user may experience this “WordPress Fatal Error” at least once. Don’t worry about it. In this article, we will show you how to Fix WordPress Call to undefined function apply_filters() Error easily.

How to Fix Fatal error: undefined function apply_filters() on WordPresss ?

Browsing the internet to get the best solution for your WordPress “Fatal error: Call to apply_filters()” problem will make you feel stress. Don’t get stress, you are at the right place to get rid of your WordPress Error. In this article, we have presented the easy ways to resolve this “Call to undefined function apply_filters()” Error in WordPress. Read the complete article and fix WordPress Fatal Error.

Why WordPress Fatal error: Call to undefined function apply_filters() arise?

When the WordPress Auto Update is failed, Fatal error: Call to undefined function apply_filters() WordPress Error will arise. If your WordPress manual update is failed then also this WordPress Fatal Error will arise.

How to Fix “Fatal error Call to undefined function apply_filters()” in WordPress ?

To overcome this Fatal error: apply_filters() error, you need to update your WordPress manually. The WordPress manual update is not an easy task for the WordPress beginners. Don’t get tense. The step by step procedure for manual WordPress update is provided here. Take a look at it and know how to install WordPress Manually.

Update WordPress Manually through FTP

  • First of all, you have to download the latest WordPress zip file.
  • Next, unzip the downloaded file.
  • Keep a backup file of your WordPress.
  • Now, rename the wp-admin and wp-includes folders to wp-admin.bak and wp-includes.bak through FTP.
  • Upload new wp-admin and wp-includes folders to your WordPress root directory.
  • Upload the latest version of the rest of files to your root directory except wp-config.php and wp-content folder.
  • Next, delete the .maintenance file from your WordPress root directory through FTP.
  • Open your WordPress site. The database update request is available now.
  • Click on the database update.
  • Finally, your WordPress will work properly without the WordPress fatal error: Call to undefined function apply_filters()
READ  How to Improve WordPress Security on your Site

Update WordPress Manually through cPanel

  • Download the latest version of WordPress zip file.
  • Now, unzip the downloaded WordPress file.
  • Delete the ‘wp-content’ folder from the extracted file.
  • After wp-content folder deleted, you have to zip the WordPress file.
  • Next, Login to your cPanel account.
  • Open File Manager from the File section.
  • Now, a new page will display.
  • Next, click on the Upload icon from the top of the page.
  • A new window will display on the screen.
  • Next, click on the browse button.
  • Select the WordPress zipped file.
  • After the upload completed, you have to close the Upload files tab.
  • Open the file manager window.
  • Click on the Reload button.
  • Now, search for the uploaded WordPress zip file.
  • Next, select the uploaded WordPress zip file and click on the extract icon.
  • Now, a popup window will display on the screen.
  • Click on the Extract File(s) button.
  • The extracted folder appears on the Screen.
  • Next, open the extracted WordPress folder.
  • Now, click on the select all button from the extracted folder.
  • Click on the move file icon.
  • Now, a new move window will appear on the screen.
  • The current path is available at the bottom of the window.
  • Next, delete the folder name from the displayed path. Once you delete the folder name, your files will be moved to public_html root directory.
  • Now, click on the Move File(s) Button.
  • Click on the Up One Level button.
  • The new version WordPress files are moved successfully to the root directory. Moving the files to your root directory will automatically replace the existing WordPress version files.
  • Now, the WordPress is upgraded.
  • Select the uploaded WordPress zip file and extracted WordPress file.
  • Next, click on the Delete icon from the top of the window.
  • A new Delete window will appear on the screen.
  • Next, click on the Delete File(s) button from that window.
  • After the files deleted, you can Logout from your cPanel.
  • Now, Login to your WordPress admin area.
  • After you Login, a database update required message will appear on the Screen.
  • Next, click on the Update WordPress Database button from that message.
  • Click on “Continue” to proceed the WordPress update.
  • Finally, your WordPress upgrade has been successfully completed. Now, your WordPress website can work properly without any WordPress fatal error.
READ  Choosing the Best Web Hosting for a WordPress Site

These are simple methods to fix Fatal error in WordPress. By following the above process, you can update your WordPress version quickly. If you do anything wrong in this procedure, then you will lose your WordPress plugins and themes. So be careful, while doing this procedure.

Conclusion:

I think this article put an end point to your searching on WordPress Fatal error: Call to undefined function apply_filters() Error. If you face any other WordPress Error visit our site to get a simple solution. You can also get latest WordPress Theme suggestions from our site. So, stay connected with us to get a Better Guidance on WordPress.

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