How does this variable come about?

How does this variable come about?
This post was last edited by lyhjc_2015 on 2014-11-21 09:02:41

In the following code if (isset ($_get[' n_page ')) {//Judging the current page number
Of N_pageWhere did it come from, I checked the fields that are not in the data table, how does it come about, is it a random definition of a thing?

 Session_Start ();
Include_once ("conn/conn.php");
?>




 
  
 

 
  
 
<title>Untitled Document</title>



Meeting Information Browsing



 $sqlview = "SELECT * from Tb_meeting_info";
$num = 2; Maximum number of records displayed per page
if (Isset ($_get[' n_page ')) {//Judging the current page number
$c _page = $_get[' n_page '); Assigns a $n_page to a variable $c_apge
}else{
$c _page = 1; Initialize variable $c_page
}
$l _rst = $conn pageexecute ($sqlview, $num, $c _page);//execute Pageexecute function
$rst _view = $conn->execute ($sqlview);
$record =count ($rst _view->getrows ()); Gets the total number of records
if ($record ==0) {
echo "There are currently no records";
}else{
?>


































 
  while (! $l _rst->eof) {?> 
    $l _rst->movenext ();}?> 
  
  
  
  
 
   
 
    
Conference number
 
    
Conference name
 
    
Department Name
 
    
Meeting Venue
 
    
Date of meeting
 
    
Host
 
    
Present staff
 
    
Record person
 
    
Meeting Summary
 
    
View Details
 
   
 
    
 Fields[0];?>
 
    
 FIELDS[1];?>
 
    
 FIELDS[2];?>
 
    
 FIELDS[3];?>
 
    
 FIELDS[4];?>
 
    
 FIELDS[5];?>
 
    
 FIELDS[6];?>
 
    
 FIELDS[7];?>
 
    
 FIELDS[8];?>
 
    
Fields[0];?> ', ', ' height=720,width=1004,scrollbars=no '); >
 
   
 
 









 
 
  
 
  
  
 
   
 
    

Current is  absolutepage ();?> page/Altogether  Lastpageno ();?> page
 

if (! $l _rst-Atfirstpage ()) {//If the current page is not home
?>



 
"> Home
AbsolutePage ()-1);?> "> Prev
 
 }
if (! $l _rst-Atlastpage ()) {//If the current page is not last
?>
 
AbsolutePage () + 1);?> "> next page
Lastpageno ());? > "> Last
 

 }
?>  }
?>
 
 
    
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------to solve the idea----------------------
In fact, "> Home"
This involves the knowledge of URL values, when a link is passed to the address bar $_get[] array will intercept it, because the $_get[] array is a global variable array, specifically responsible for intercepting the value in the Address bar.
It is only a pity that we have not answered it correctly.

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