This is what I see currently with WP 5.3, php 7.2
An error of type E_ERROR was caused in line 166 of the file /home/website/public_html/wp-content/plugins/post-snippets/src/PostSnippets/Admin.php. Error message: Uncaught Error: [] operator not supported for strings in /home/website/public_html/wp-content/plugins/post-snippets/src/PostSnippets/Admin.php:166 Stack trace: #0 /home/website/public_html/wp-includes/class-wp-hook.php(290): PostSnippets\Admin->actionLinks(‘<‘) #1 /home/website/public_html/wp-includes/plugin.php(206): WP_Hook->apply_filters(‘<‘, Array) #2 /home/website/public_html/wp-admin/includes/class-wp-plugins-list-table.php(828): apply_filters(‘plugin_action_l…’, ‘<‘, ‘post-snippets/p…’, Array, ‘all’) #3 /home/website/public_html/wp-admin/includes/class-wp-plugins-list-table.php(607): WP_Plugins_List_Table->single_row(Array) #4 /home/website/public_html/wp-admin/includes/class-wp-list-table.php(1270): WP_Plugins_List_Table->display_rows() #5 /home/website/public_html/wp-admin/includes/class-wp-list-table.php(1201): WP_List_Table->display_rows_or_placeholder() #6 /home/website/public_html/wp-admin/plugins.php(632): WP_List_Table->display() #7 {main} thrown