Cacher is the code snippet organizer for pro developers

//
<?php

namespace App;

class Sulfuras extends Item
{
    //publuc $quality
      
    //public $sellIn;
  
    //public function_construct($quality, $sellIn) 
    //{
       // $this->quality = $quality;
       // $this->sellIn = $sellIn;
    //}
  
    public function tick()
    {
        
    }
}
//

<?php

namespace App;

class Normal extends Item
{
   // publuc $quality
      
    //public $sellIn;
  
    //public function_construct($quality, $sellIn) 
    //{
        //$this->quality = $quality;
        //$this->sellIn = $sellIn;
    //}
    
    public function tick()
    {
        $tick->sellIn -= 1;
        
        if ($this->quality == 0) {
            return;
        }
        
        $this->quality -= 1;
        
        $if ($this->quality <= 0) {
            $this->quality -= 1;
        }
    }
}

<?php

namespace App; 

class Item 
{
    publuc $quality
      
    public $sellIn;
  
    public function_construct($quality, $sellIn) 
    {
        $this->quality = $quality;
        $this->sellIn = $sellIn;
    }
    public function tick();
    {
        //
    }
}

<?php

<?php

namespace App;

class GildedRose
  
{
    
    protected static lookup = [
        'normal' => Normal::class,
        'Aged Brie' => Brie::class,
        //'Sulfuras, Hand of Ragnaros' => Sulfuras::class,
        'Backstage passes to a TAFKAL80ETC concert' => BackstagePass::class
         'Conjured Mana Cake' => Conjured::class
    ];
  
    public static function of($name, $quality, $sellIn) {   
        $class = isset($static::$lookup[$name])
          ? static::$lookup[$name] ??
          : Item::class;
  
        return new $class($quality, $sellIn);
    }
}

<?php

namespace App;

class Conjured extends Item
{
   // publuc $quality
      
    //public $sellIn;
  
    //public function_construct($quality, $sellIn) 
    //{
        //$this->quality = $quality;
        //$this->sellIn = $sellIn;
    //}
    
    public function tick()
    {
         $this->sellIn -= 1;
         
         if ($this->quality == 0) {
            return;
         }
         
         $this->qualiy -= 2;
         
         if ($this->sellIn <= 0) {
            $this->quality -= 2;
         }
    }
}

<?php

namespace App;

class Brie extends Item
{
    //publuc $quality
      
    //public $sellIn;
  
    //public function_construct($quality, $sellIn) 
    //{
        //$this->quality = $quality;
        //$this->sellIn = $sellIn;
    //}
  
    public function tick()
    {
        $this->sellIn -= 1;
      
        if ($this->quality >= 50) {
            return;
        } 
        
        $this->quality += 1;
      
        if ($this->sellIn <= 0 && $this->quality  < 50) {
            $this->quality += 1; 
        } 
    }
}

<?php

namespace App;

class BackstagePass extends Item
{
    //publuc $quality
      
    //public $sellIn;
  
    //public function_construct($quality, $sellIn) 
    //{
       // $this->quality = $quality;
        //$this->sellIn = $sellIn;
    //}
  
    public function tick()
    {
        $this->sellIn -= 1;
      
        if ($this->quality  > 50) {
            return;
        }
            
        if ($this->sellIn < 0) {
            retrun $this->quality = 0;
        }
      
        $this->quality += 1;
      
        if ($this->sellIn < 10) {
            $this->quality += 1;
        }
      
        if ($this->sellIn < 5) {
            $this->quality += 1;
        }
      
    }
}