static array can not be used in php? looks like $_SESSION["j"] = $j; is not updating value of the variable in session

Question

I have 2 arrays. I want a static array. I want 2 of the elements to be shown each time the user logs-in to the browser. Next time the user logs-in, it should show another 2 elements. I have 2 static arrays. When elements from 1 array is finished, it should switch to another array. This is a part of bigger requirement.I want to create an intermediate static array. There will be 2 inner foreach loops which will iterate through elements of the array and echo elements to each log-in.I have commented away all expressions that gave me error in the following code. Currently, once the url "http://swulj.atwebpages.com/loop.php" is entered in the browser, I get 2 elements. Next time the url is entered, it should persist the values of I and j. So accordingly the next element from the array should be printed. But it is printing the same values.I am using storing variables in session.
OUTPUT:

before loop; i = 0, j = 1, loop = 1
j = 1
i = 0, j = 1
i = Sachin, j = Virat
j = 2
break == true, session start

CODE:

<?php
 
          
          $a1 = array("Tendulkar","Kohli","Dhoni");  
          $a2 = array("Sachin","Virat","Mahendra Singh");
          $i = 0;
          $j = 1;
          $loop = 0;
          //echo $loop;
          
          session_start();
          if(!isset($_SESSION["loop"]))
          {
              $_SESSION["loop"] = $loop;
          }
          else
          {
              $loop = $_SESSION["loop"];
          }
          
          if(!isset($_SESSION["i"]))
          {
              $_SESSION["i"] = $i;
          }
          else
          {
              $i = $_SESSION["i"];
          }
          
          if(!isset($_SESSION["j"]))
          {
              $_SESSION["j"] = $j;
          }
          else
          {
              $j = $_SESSION["j"];
          }
          
          echo "before loop; i = ". $i. ", j = ".$j.", loop = ".$loop."<br>";
          $break = false;
            if($loop == 0)
            {
                
                foreach($a1 as $result) {
                   $array[] = $result;
                   //echo $result;
                }
                
                $len = count($array);
                //echo $len;
                for(; $i < $len-1 ; $i++)
                {
                echo "inside";
                    if($break == true) 
                    {
                       session_start();
                       $_SESSION["i"] = $i;
                       if($i==1 && $j==2)
                       {
                           $i = 0;
                           $j = 1;
                           session_start();
                           $_SESSION["i"] = $i;
                           $_SESSION["j"] = $j;
                       }
                       break;
                    }
                    for(; $j < $len; $j++)
                    {
                    echo "inside";
                       if($i == $j) continue;
                       if($break == true)
                       {
                           session_start();
                           $_SESSION["j"] = $j;
                           break;
                       }
                       echo"i = ". $i . ", j = ". $j."<br>";
                       echo"i = ". $array[$i] . ", j = ". $array[$j]."<br>";
                       
                       if(($i == $len-2) && ($j == $len-1))
                       {
                           $loop=1;
                           session_start();
                           $_SESSION["loop"] = $loop;
                           $_SESSION["i"] = 0;
                           $_SESSION["j"] = 1;
                           unset($array);
                       }
                       $break = true;
                       
                    }
                    
                }  
            }
            
            if($loop == 1)
            {
                $break = false;
                
                foreach($a2 as $result) {
                   $array[] = $result;
                }
                
                $len = count($array);
                for(; $i < $len-1 ; $i++)
                {
                    if($break == true)
                    {
                        session_start();
                        $_SESSION["i"] = $i;
                        if($i==1 && $j==2)
                       {
                           $i = 0;
                           $j = 1;
                           session_start();
                           $_SESSION["i"] = $i;
                           $_SESSION["j"] = $j;
                       }
                        break;
                    }
                    for(; $j < $len; $j++)
                    {
                       echo "j = ". $j."<br>";
                       if($break == true)
                       {
                           echo "break == true, session start". "<br>";
                           session_start();
                           $_SESSION["j"] = $j;
                           $_SESSION["j"] = $j;
                           break;
                       }
                       if($i == $j) continue;
                       echo"i = ". $i . ", j = ". $j."<br>";
                       echo"i = ". $array[$i] . ", j = ". $array[$j]."<br>";
                       if(($i == $len-2) && ($j == $len-1))
                       {
                           $loop=1;
                           session_start();
                           $_SESSION["loop"] = $loop;
                           $_SESSION["i"] = 0;
                           $_SESSION["j"] = 1;
                           unset($array);
                       }
                       $break = true;
                       
                    }
                    
                } 
                
                
            }
?>

Answer 1

等待大神答复