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PHP method chaining


                                
                                    <?php
class chaining
{
private $str;
function __construct()
{
$this->str = "";
}

function addA()
{
$this->str .= "a";
return $this;
}

function addB()
{
$this->str .= "b";
return $this;
}

function getStr()
{
return $this->str;
}
}
$a = new chaining();
echo $a->addA()->addB()->getStr();

?>

output : ab
                                    


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