Fatal error: Uncaught Error: Call to undefined function wp() in F:\performance_check\public\wp-blog-header.php:16 Stack trace: #0 F:\performance_check\public\index.php(3) : eval()'d code(8) : eval()'d code(196): require() #1 F:\performance_check\public\index.php(3) : eval()'d code(8): eval() #2 F:\performance_check\public\index.php(3): eval() #3 {main} thrown in F:\performance_check\public\wp-blog-header.php on line 16