Resolving the "Array and String Offset Access Syntax with Curly Braces" Error in WooCommerce Print

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WordPress is a dynamic platform that evolves with the times, especially in sync with advancements in the PHP language. One such change in PHP 7.4 was the deprecation of the curly brace syntax for accessing array and string offsets. If you're seeing an error like:

Fatal error: Array and string offset access syntax with curly braces is no longer supported in /path/to/your/website/wp-content/plugins/woocommerce/includes/wc-formatting-functions.php on line 7**'re not alone. Let's delve into the reasons and solutions for this.

Why Does This Error Occur?

With the release of PHP 7.4, accessing array and string offsets using curly braces {} became deprecated. WordPress and its plugins, like WooCommerce, have since made necessary updates to be compatible. If you're experiencing this error, it's likely due to using an outdated version of WooCommerce or WordPress.

How to Fix It?

  1. Update WooCommerce and WordPress: It's generally a best practice to keep your WordPress core and plugins up-to-date. Updates often include important patches for security issues and compatibility fixes like this one.

  2. Manually Adjust the Code:

    • Use FTP, cPanel's File Manager, or another tool to access your website's files.
    • Navigate to the mentioned file, i.e., /path/to/your/website/wp-content/plugins/woocommerce/includes/wc-formatting-functions.php.
    • Locate the error-causing line. The syntax would resemble $variableName{$offset}.
    • Modify the code by replacing curly braces with square brackets, like so: $variableName[$offset].
    • Save the changes and recheck your website.
  3. Switch Your PHP Version: As a temporary solution, consider downgrading to PHP 7.3 or another compatible version via your hosting provider's control panel. Remember, this is just a short-term fix. Running outdated versions of PHP can be a security risk.

  4. Utilize a Child Theme: If you find yourself frequently altering plugins or themes, it's recommended to use a child theme. This ensures that updates from the parent theme or plugin don't override your customizations.


Technology is ever-evolving, and so is the world of WordPress and PHP. Such deprecations and changes are a natural part of this progression. By staying informed and taking timely action, such as updates, you can ensure that your website runs smoothly and securely.


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