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class Number {
private $v;
private static $sv = 10;
public function __construct($v) { $this->v = $v; }
public function mul(){
return static function ($x) {
return isset($this) ? $this->v * $x : self::$sv * $x;
};
}
}
$one = new Number(1);
$two = new Number(2);
$double = $two->mul();
$x = Closure::bind($double, null, 'Number');
echo $x(5);
upvoted 6 times
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ZhukovPeter
Highly Voted 4 years, 4 months ago