Detailed explanation of simple digital paging function in PHP

This article mainly introduces the simple implementation of digital paging function in PHP, and analyzes the mathematical operations and string manipulation related skills of PHP digital paging in the form of examples. Friends in need can refer to the following

The details are as follows:

<?php
header ( &#39;Content-Type: text/html; charset=utf-8&#39; );
//分页
$page=$_GET[&#39;page&#39;];
$allcount= 100;
$page_size =10;
$page_show =5;
$page_count = ceil($allcount/$page_size);
if($page <= 1 || $page == &#39;&#39;) $page = 1;
if($page >= $page_count) $page = $page_count;
$pre_page = ($page == 1)? 1 : $page - 1;
$next_page= ($page == $page_count)? $page_count : $page + 1 ;
$pagenav .= "第 $page/$page_count 页 共 $allcount 条记录 ";
$pagenav .= "<a href=&#39;?page=1&#39;>首页</a> ";
$pagenav .= "<a href=&#39;?page=$pre_page&#39;>前一页</a> ";
//当前显示的开始
$page_show_start = (ceil($page/$page_show)-1)*$page_show;
//显示分页
$page_show_str = &#39;&#39;;
if($page_show>$page_count){
  $page_show = $page_count;
}
for($j=1;$j<=$page_show;$j++){
  $page_show_now = $page_show_start+$j;
  if($page==$page_show_now){
    $page_show_str .= "<a href=&#39;?page=$page_show_now&#39;><strong>$page_show_now</strong></a> ";
  }else{
    $page_show_str .= "<a href=&#39;?page=$page_show_now&#39;>$page_show_now</a> ";
  }
}
$pagenav.=$page_show_str;
$pagenav .= "<a href=&#39;?page=$next_page&#39;>后一页</a> ";
$pagenav .= "<a href=&#39;?page=$page_count&#39;>末页</a>";
echo &#39;<p class="page">&#39;.$pagenav.&#39;</p>&#39; ;
?>

The running effect is shown in the figure below:

Summary: Above That’s the entire content of this article, I hope it will be helpful to everyone’s study.

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