Question

the class, which is content.php

class content
{
    private $vars = array();

    public function set($var, $var_value)
    {
        $this->vars[$var] = $var_value;
    }

index.php file using the content class

include 'content.php';
$instance = new content();
$instance->set(image_dir, '/images/');
include 'display.php';

display.php

<?php

echo '<img src={image_dir}/graphic.gif width=556 height=49></td>"';

How do I use the content->var variable in the display.php? which is the best way?

Answer 1

You should use a getter.

class content
{
    private $vars = array();

    public function set($var, $var_value)
    {
        $this->vars[$var] = $value;
    }

    public function getImageDir()
    {
         return $this->vars['image_dir'];
    }
}

And then:

include 'content.php';
$instance = new content();
$instance->set(image_dir, '/images/');
$image_dir = $instance->getImageDir();
include 'display.php';