Npc level changing

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PHP Code:

function onTimeOut()
{
 canwarp();
 canwarp2();
 this.attacker = "Graal713758";
  
 if ( client.task[3] == "halfway" )
 {  
 hideimg(200);
  if (thiso.smovement == "walk")
  {
  chat = this.attacker;
  this.timer = 11;
   if (this.to_check.x in |this.x-3,this.x+3| && this.to_check.y in |this.y-3,this.y+3|)
    {
      thiso.smovement = "idle";
      setcharani("idle",NULL);
    } 
       thiso.smovement = "walk";
  chat = thiso.smovement;
        
  if ( this.timer > 10 )
  { 
   with ( findplayer ( this.attacker ) )
  {
   this.newDir = getdir( player.x - this.x,  player.y - this.y );
  }
 } 
 this.to_check = findnearestplayer(this.x,this.y);
   this.dir = this.newDir;
    this.new_x = this.x + vecx(this.dir) * this.mov_speed;
    this.new_y = this.y + vecy(this.dir) * this.mov_speed;
    this.count--;
   if (this.count > 0)
    {
      this.to_add_x = this.new_x + 1.5 + vecx(this.dir);
      this.to_add_y = this.new_y + 2 + vecy(this.dir);
     if (onwall(this.to_add_x,this.to_add_y)) 
      {
        this.dir = (this.dir+2)%4;
        this.timer = 0;
      } else 
     if (onwater(this.to_add_x,this.to_add_y)) 
      {
        setcharani("swim",NULL);
      }else
       {
         setcharani("spawn_weapon9mm-walk","");
         x = this.new_x;
         y = this.new_y;
       }
    } else
     {
       this.count = int(random(10,40));
     }
  }
 
 }
    setTimer(0.05);  
}