Fatal Error call to undefined function get header image

Fatal Error: call to undefined function get_header()” Error occurrence is one of the common problems in WordPress. Regular WordPress users can fix this WordPress Fatal Error easily but it is difficult for the WordPress Beginners. So, Here we have provided the simple methods to resolve this Fatal Error call to undefined function get_header() in WordPress. Read the complete article and fix Fatal Error: get_header() Error quickly and easily.

How to Resolve Fatal Error: call to undefined function get_header()?

Actually, the get_header() function is included in the WordPress theme. While running the WordPress website, if the get_header() function does not available then this Fatal Error will arise. If the user misplaces the index.php file then also this WordPress fatal error occurs. For resolving this Error you have to follow the given step by step by step process.

Fix Fatal Error call to undefined function get header image

Step by step process to Fix Fatal Error: call to undefined function get_header() Error in WordPress:

If you have access to your WordPress admin area then you can fix this Fatal Error using your WordPress Dashboard. Otherwise, you can access your WordPress website through FTP Access.

Fix Fatal Error call to undefined function get_header() Error through WordPress Admin

  • Login to your WordPress admin area.
  • Click on the Appearance option.
  • Next, click on the Editor option.
  • Now, search for the index.php file.
  • Click on the index.php file.
  • Now, you have to change the given code.
    <?php get_header(); ?>
  • Copy the given code.
<?php 
if (function_exists('get_header')) { 
get_header(); 
} 
else { 
// Redirect to your home page? 
} 
?>
  • Replace code with this copied code.
  • Next, click on the update file button.
  • Now, your WordPress website can work without Fatal Error call to undefined function get_header() Error.

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Resolve WordPress Fatal Error: get_header() Error through FTP

  • Access your WordPress website through FTP.
  • Download index.php file.
  • Open the downloaded index.php file with notepad.
  • Search for the given code.
<?php get_header(); ?>
  • Next, copy the given code and replace the above code with this copied code.
<?php 
if (function_exists('get_header')) { 
get_header(); 
} 
else { 
// Redirect to your home page? 
} 
?>
  • Save the changes.
  • Again, open your WordPress website through FTP.
  • Rename the index.php file as indexbak.php.
  • Next, upload the changed index.php file.
  • Reload your WordPress website.
  • Now, The WordPress Fatal Error: call to undefined function get_header() is resolved successfully.

How to Fix WordPress Fatal Error: get_header() Error through cPanel?

  • Login to your cPanel Account.
  • Click on the File manger icon.
  • Go to public.html file.
  • Now, open your website index.php file.
  • Search for the given code.
<?php get_header(); ?>
  • Next, copy the given code and replace the above code with this copied code.
<?php 
if (function_exists('get_header')) { 
get_header(); 
} 
else { 
// Redirect to your home page? 
} 
?>
  • Click on the update button.
  • Reload your WordPress website.
  • Now, your WordPress site can Work without any WordPress Fatal Error.

If you do not install your WordPress theme properly then also this WordPress Fatal Error will arise. Check our WordPress Guide to know how to install a WordPress Theme.

We hope this article helped you to resolve Fatal Error: call to undefined function get_header() Error in WordPress. Again, if you got any WordPress Theme error on your site just visit our website and get a quick solution for your WordPress Error.

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