WordPress单篇文章分页，获取总页数代码

	<?php 
/YuanZiFan Add Code 加总页数
			$TheURLforthisPage=$_SERVER['REQUEST_URI'];
			$arrayForPageNum=explode('/', $TheURLforthisPage);
			$CurrentPageNum=end($arrayForPageNum); 
			$CurrentPageNum=$arrayForPageNum[3];
			$RedirectURL="/".$arrayForPageNum[1]."/".$arrayForPageNum[2]."/";//除了页面以外的地址
			if ($CurrentPageNum=='') {$CurrentPageNum=1;}
			$allcontentthispage=$post->post_content;
			$pagenavCode = 'nextpage';
			$total_Page_nums=substr_count($allcontentthispage,$pagenavCode);
			$total_Page_nums=$total_Page_nums+1; 
			//YuanZiFan Add Code 加总页数
			?>