Fatal error: Uncaught Error: Call to undefined function begin_title() in C:\phpstudy_pro\WWW\cnlaw\wp-content\themes\begin2.0\header.php:8 Stack trace: #0 C:\phpstudy_pro\WWW\cnlaw\wp-includes\template.php(814): require_once() #1 C:\phpstudy_pro\WWW\cnlaw\wp-includes\template.php(749): load_template('C:\\phpstudy_pro...', true, Array) #2 C:\phpstudy_pro\WWW\cnlaw\wp-includes\general-template.php(48): locate_template(Array, true, true, Array) #3 C:\phpstudy_pro\WWW\cnlaw\wp-content\themes\begin2.0\single.php(1): get_header() #4 C:\phpstudy_pro\WWW\cnlaw\wp-includes\template-loader.php(125): include('C:\\phpstudy_pro...') #5 C:\phpstudy_pro\WWW\cnlaw\wp-blog-header.php(19): require_once('C:\\phpstudy_pro...') #6 C:\phpstudy_pro\WWW\cnlaw\index.php(17): require('C:\\phpstudy_pro...') #7 {main} thrown in C:\phpstudy_pro\WWW\cnlaw\wp-content\themes\begin2.0\header.php on line 8