Uncaught Error: Call to undefined function create_function()
in /sites/hardcorewp.com/files/wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/geshi/geshi.php on line 4736

Call stack:

1. GeSHi::_optimize_regexp_list_tokens_to_string()
   wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/geshi/geshi.php:4659
2. GeSHi::optimize_regexp_list()
   wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/geshi/geshi.php:1666
3. GeSHi::optimize_keyword_group()
   wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/geshi/geshi.php:2042
4. GeSHi::build_parse_cache()
   wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/geshi/geshi.php:2181
5. GeSHi::parse_code()
   wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/class-bwp-syntax.php:725
6. BWP_SYNTAX::bwp_geshi_parser()
   wp-includes/shortcodes.php:434

Warning: Undefined array key "file" in /sites/hardcorewp.com/files/wp-content/plugins/query-monitor/dispatchers/Html.php on line 1022

Warning: Undefined array key "line" in /sites/hardcorewp.com/files/wp-content/plugins/query-monitor/dispatchers/Html.php on line 1022

7. do_shortcode_tag()
8. preg_replace_callback()
   wp-includes/shortcodes.php:273
9. do_shortcode()
   wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/class-bwp-syntax.php:752
10. BWP_SYNTAX::pre_do_shortcodes()
    wp-content/plugins/better-wordpress-syntax-based-on-geshi/includes/class-bwp-syntax.php:785
11. BWP_SYNTAX::pre_parse_shortcodes()
    wp-includes/class-wp-hook.php:324
12. WP_Hook::apply_filters()
    wp-includes/plugin.php:205
13. apply_filters()
    wp-includes/post-template.php:256
14. the_content()
    wp-content/themes/the-bootstrap/partials/content-single.php:23
15. require('/sites/hardcorewp.co...s/content-single.php')
    wp-includes/template.php:812
16. load_template()
    wp-includes/template.php:745
17. locate_template()
    wp-includes/general-template.php:206
18. get_template_part()
    wp-content/themes/the-bootstrap/single.php:21
19. include('/sites/hardcorewp.co...bootstrap/single.php')
    wp-includes/template-loader.php:106
20. require_once('/sites/hardcorewp.co.../template-loader.php')
    wp-blog-header.php:19
21. require('/sites/hardcorewp.com/files/wp-blog-header.php')
    index.php:17