What is the output of the following code? class A { public $a = 1; public function __construct($a) { $this-a = $a; } public function mul() { return function($x) { return $this-a*$x; }; } } $a = new A(2); $a-mul = function($x) { return $x*$x; }; $m = $a-mul(); echo $m(3);

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What is the output of the following code? class A { public $a = 1; public function __construct($a) { $this->a = $a; } public function mul() { return function($x) { return $this->a*$x; }; } } $a = new A(2); $a->mul = function($x) { return $x*$x; }; $m = $a->mul(); echo $m(3);

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B. 6

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A. 9

Answer

C. 0

Answer

D. 3

What is the output of the following code? class A { public $a = 1; public function __construct($a) { $this->a = $a; } public function mul() { return function($x) { return $this->a$x; }; } } $a = new…

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