Title: error under php8
Last modified: September 7, 2021

---

# error under php8

 *  [xiutuo](https://wordpress.org/support/users/xiutuo/)
 * (@xiutuo)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/error-under-php8/)
 * HI.
    This great plugin.but when upgrate php7 to php8,add new chart then post 
   to save.there is error: ————–
 *     ```
       2021-09-07T03:15:51+00:00 CRITICAL Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, null given
        in /var/www/html/wordpress/wp-content/plugins/productsize-chart-for-woocommerce/admin/class-productsize-chart-admin.php:2
       22
       Stack trace:
       #0 /var/www/html/wordpress/wp-content/plugins/productsize-chart-for-woocommerce/admin/class-productsize-chart-admin.php(22
       2): array_map()
       #1 /var/www/html/wordpress/wp-includes/class-wp-hook.php(305): productsize_chart_Admin->productsize_chart_save()
       #2 /var/www/html/wordpress/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters()
       #3 /var/www/html/wordpress/wp-includes/plugin.php(470): WP_Hook->do_action()
       #4 /var/www/html/wordpress/wp-includes/post.php(4468): do_action()
       #5 /var/www/html/wordpress/wp-includes/post.php(4570): wp_insert_post()
       #6 /var/www/html/wordpress/wp-admin/includes/post.php(423): wp_update_post()
       #7 /var/www/html/wordpress/wp-admin/post.php(227): edit_post()
       #8 {main}
         thrown in /var/www/html/wordpress/wp-content/plugins/productsize-chart-for-woocommerce/admin/class-productsize-chart-adm
       in.php on line 222
   
       2021-09-07T05:39:28+00:00 CRITICAL Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, null given
        in /var/www/html/wordpress/wp-content/plugins/productsize-chart-for-woocommerce/admin/class-productsize-chart-admin.php:2
       22
       Stack trace:
       #0 /var/www/html/wordpress/wp-content/plugins/productsize-chart-for-woocommerce/admin/class-productsize-chart-admin.php(22
       2): array_map()
       #1 /var/www/html/wordpress/wp-includes/class-wp-hook.php(305): productsize_chart_Admin->productsize_chart_save()
       #2 /var/www/html/wordpress/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters()
       #3 /var/www/html/wordpress/wp-includes/plugin.php(470): WP_Hook->do_action()
       #4 /var/www/html/wordpress/wp-includes/post.php(4468): do_action()
       #5 /var/www/html/wordpress/wp-includes/post.php(4570): wp_insert_post()
       #6 /var/www/html/wordpress/wp-admin/includes/post.php(423): wp_update_post()
       #7 /var/www/html/wordpress/wp-admin/post.php(227): edit_post()
       #8 {main}
         thrown in /var/www/html/wordpress/wp-content/plugins/productsize-chart-for-woocommerce/admin/class-productsize-chart-adm
       in.php on line 222
       ```
   
 * ——————-
    it’s can not work any more. and then I choose a “chart catagory”,test
   again,it’s work fine. I thinks filed of “chart catagory” is not necessary,I do
   not think the size chart need to display for the whole catagory。。。。。。
    -  This topic was modified 4 years, 9 months ago by [xiutuo](https://wordpress.org/support/users/xiutuo/).
    -  This topic was modified 4 years, 9 months ago by [xiutuo](https://wordpress.org/support/users/xiutuo/).

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [George Ciobanu](https://wordpress.org/support/users/giucu91/)
 * (@giucu91)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/error-under-php8/#post-14848259)
 * Hello,
 * Thank you for reporting this. Tomorrow I’ll make an update to fix this error.
 * George.
 *  Plugin Author [George Ciobanu](https://wordpress.org/support/users/giucu91/)
 * (@giucu91)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/error-under-php8/#post-14852207)
 * Hello [@xiutuo](https://wordpress.org/support/users/xiutuo/),
 * Please update to 1.1.3. The problem should be fixed.
 * Thank you,
    George.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘error under php8’ is closed to new replies.

 * ![](https://ps.w.org/productsize-chart-for-woocommerce/assets/icon-128x128.jpg?
   rev=1254808)
 * [Product Size Chart for Woocommerce](https://wordpress.org/plugins/productsize-chart-for-woocommerce/)
 * [Support Threads](https://wordpress.org/support/plugin/productsize-chart-for-woocommerce/)
 * [Active Topics](https://wordpress.org/support/plugin/productsize-chart-for-woocommerce/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/productsize-chart-for-woocommerce/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/productsize-chart-for-woocommerce/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [George Ciobanu](https://wordpress.org/support/users/giucu91/)
 * Last activity: [4 years, 9 months ago](https://wordpress.org/support/topic/error-under-php8/#post-14852207)