Title: PHP 8.1+ Deprecated String Syntax Warnings
Last modified: November 6, 2025

---

# PHP 8.1+ Deprecated String Syntax Warnings

 *  [sarahdev](https://wordpress.org/support/users/sarahdev/)
 * (@sarahdev)
 * [6 months, 3 weeks ago](https://wordpress.org/support/topic/php-8-1-deprecated-string-syntax-warnings/)
 * Hey there! I’m seeing deprecated syntax warnings in my error logs when running
   PHP 8.2 with WOW Carousel for Divi Lite. The plugin works fine, but these warnings
   are filling up my logs on every page load.
 * **The Error:**
 *     ```wp-block-code
       Deprecated: Using ${var} in strings is deprecated, use {$var} instead 
       in /www/wp-content/plugins/wow-carousel-for-divi-lite/includes/divi4/base/base.php on line 80
   
       Deprecated: Using ${var} in strings is deprecated, use {$var} instead 
       in /www/wp-content/plugins/wow-carousel-for-divi-lite/includes/divi4/base/base.php on line 81
       ```
   
 * **The Issue:** In `/includes/divi4/base/base.php` (lines 80-81), the code is 
   using the old `${var}` string interpolation syntax which was deprecated in PHP
   8.1.
 * For example:
 * php
 *     ```wp-block-code
       {$args['color_start']} ${start_position}
       ```
   
 * Should be:
 * php
 *     ```wp-block-code
       {$args['color_start']} {$start_position}
       ```
   
 * **My Setup:**
    - WordPress: 6.8.3
    - PHP: 8.2
    - Divi: 4.27.4
    - WOW Carousel for Divi Lite: 2.1.4
 * **The Fix:** This should be a simple find-and-replace throughout the plugin: 
   change `${` to `{$` in string contexts. Would love to see this addressed in an
   upcoming update so we don’t have to manually patch the plugin files!
 * Thanks!
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-8-1-deprecated-string-syntax-warnings%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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 * 0 replies
 * 1 participant
 * Last reply from: [sarahdev](https://wordpress.org/support/users/sarahdev/)
 * Last activity: [6 months, 3 weeks ago](https://wordpress.org/support/topic/php-8-1-deprecated-string-syntax-warnings/)
 * Status: not resolved