function __construct($lang)
{
$this->lang = $lang;
}
function greet()
{
if ($this->lang == 'fr') {
return 'Bonjour';
}
if ($this->lang == 'es') {
return 'Hola';
}
return 'Hello';
}
}
class Social extends Hello
{
function bye()
{
if ($this->lang == 'fr') {
return 'Au revoir';
}
if ($this->lang == 'es') {
return 'Adios';
}
return 'goodbye';
}
}
$hi = new Social('es');
echo $hi->greet() . "\n";
echo $hi->bye() . "\n";