Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in C:\xampp\htdocs\profchwu\webprogramming\教材\BLOG_half\Connections\conn_blog.php:9 Stack trace: #0 C:\xampp\htdocs\profchwu\webprogramming\教材\BLOG_half\index.php(76): require_once() #1 {main} thrown in C:\xampp\htdocs\profchwu\webprogramming\教材\BLOG_half\Connections\conn_blog.php on line 9