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How to read txt text file with PHP and display it in pages, _PHP tutorial

WBOY
WBOYOriginal
2016-07-13 10:04:061024browse

How PHP reads a txt text file and displays it in pages,

The example in this article describes how PHP reads a txt text file and displays it in pages. Share it with everyone for your reference. The specific implementation method is as follows:

Copy code The code is as follows: Session_start();
If (empty($page)) {$page=1;}
If (isset($_GET['page'])==TRUE) {$page=$_GET['page']; }
?>



Read Result








if($page){
$counter=file_get_contents("example.txt"); //Read the contents of the txt file to $counter
$length=strlen($counter);
$page_count=ceil($length/5000);
function msubstr($str,$start,$len){
$strlength=$start+$len;
$tmpstr="";
for($i=0;$i<$strlength;$i++) {
If(ord(substr($str,$i,1))==0x0a) {
$tmpstr.='
';
}
If(ord(substr($str,$i,1))>0xa0) {
           $tmpstr.=substr($str,$i,2);
         $i++;
}
else{
            $tmpstr.=substr($str,$i,1); }
}
Return $tmpstr;
}
//------------Intercept Chinese string---------
$c=msubstr($counter,0,($page-1)*5000);
$c1=msubstr($counter,0,$page*5000);
echo substr($c1,strlen($c),strlen($c1)-strlen($c));
}?>






/ Page

echo "Homepage ";
if($page!=1){
echo "Previous page ";
}
if($page<$page_count){
echo "Next page ";
}
echo "Last page";
?>


I hope this article will be helpful to everyone’s PHP programming design.

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