[ Avaa Bypassed ]

<?php
class Button {
    private $key;
    private $text;
    private $data;
    private $used;

    function __construct()
    {
        $this->used =  true;
    }

    /**
     * Get the value of key
     */ 
    public function getKey()
    {
        return $this->key;
    }

    /**
     * Set the value of key
     *
     * @return  self
     */ 
    public function setKey($key)
    {
        $this->key = $key;

        return $this;
    }

    /**
     * Get the value of text
     */ 
    public function getText()
    {
        return $this->text;
    }

    /**
     * Set the value of text
     *
     * @return  self
     */ 
    public function setText($text)
    {
        $this->text = $text;

        return $this;
    }

    /**
     * Get the value of data
     */ 
    public function getData()
    {
        return $this->data;
    }

    /**
     * Set the value of data
     *
     * @return  self
     */ 
    public function setData($data)
    {
        $this->data = $data;

        return $this;
    }

    /**
     * Get the value of used
     */ 
    public function getUsed()
    {
        return $this->used;
    }

    /**
     * Set the value of used
     *
     * @return  self
     */ 
    public function setUsed($used)
    {
        $this->used = $used;

        return $this;
    }
}