Title: Bug with php 8
Last modified: March 31, 2023

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# Bug with php 8

 *  [romapad](https://wordpress.org/support/users/romapad/)
 * (@romapad)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/bug-with-php-8/)
 * Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type?
   array, string given in robin-image-optimizer/libs/addons/includes/classes/webp/
   vendor/rosell-dk/dom-util-for-webp/src/ImageUrlReplacer.php:155 Stack trace: #
   0 robin-image-optimizer/libs/addons/includes/classes/webp/vendor/rosell-dk/dom-
   util-for-webp/src/ImageUrlReplacer.php(155): implode(Array, ‘,’) #1 robin-image-
   optimizer/libs/addons/includes/classes/webp/vendor/rosell-dk/dom-util-for-webp/
   src/ImageUrlReplacer.php(205): DOMUtilForWebP\ImageUrlReplacer->processCSS(‘\
   nbody{–wp–pre…’) #2 robin-image-optimizer/libs/addons/includes/classes/webp/vendor/
   rosell-dk/dom-util-for-webp/src/ImageUrlReplacer.php(230): DOMUtilForWebP\ImageUrlReplacer-
   >replaceHtml(‘…’) #3 robin-image-optimizer/libs/addons/includes/classes/webp/
   class-webp-delivery.php(195): DOMUtilForWebP\ImageUrlReplacer::replace(‘…’) #
   4 [internal function]: WRIO\WEBP\HTML\Delivery->process_alter_html(‘…’, 9) #5
   wp-includes/functions.php(5309): ob_end_flush() #6 wp-includes/class-wp-hook.
   php(308): wp_ob_end_flush_all(”) #7 wp-includes/class-wp-hook.php(332): WP_Hook-
   >apply_filters(”, Array) #8 wp-includes/plugin.php(517): WP_Hook->do_action(Array)#
   9 wp-includes/load.php(1144): do_action(‘shutdown’) #10 [internal function]: 
   shutdown_action_hook() #11 {main} thrown in robin-image-optimizer/libs/addons/
   includes/classes/webp/vendor/rosell-dk/dom-util-for-webp/src/ImageUrlReplacer.
   php on line 155
 * $declarations[$i] = implode($parts, ‘,’); – that’s deprecated, must be something
   like $declarations[$i] = implode(‘,’, $parts); ([https://www.php.net/manual/ru/function.implode.php](https://www.php.net/manual/ru/function.implode.php))
    -  This topic was modified 3 years, 1 month ago by [romapad](https://wordpress.org/support/users/romapad/).

Viewing 1 replies (of 1 total)

 *  [Temyk](https://wordpress.org/support/users/webtemyk/)
 * (@webtemyk)
 * [3 years, 1 month ago](https://wordpress.org/support/topic/bug-with-php-8/#post-16641948)
 * Hello
 * This will be fixed in the next plugin update.

Viewing 1 replies (of 1 total)

The topic ‘Bug with php 8’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Temyk](https://wordpress.org/support/users/webtemyk/)
 * Last activity: [3 years, 1 month ago](https://wordpress.org/support/topic/bug-with-php-8/#post-16641948)
 * Status: not resolved