In what scenarios does PHP 5.3.x introduce changes that impact the use of $this in object context, and how can developers adapt their code to comply with these changes?

PHP 5.3.x introduces changes that impact the use of $this in object context when it is used in a closure. To adapt your code to comply with these changes, you can use the "use" language construct to pass $this into the closure explicitly. 

class MyClass {
    private $value = 10;

    public function myMethod() {
        $closure = function() use ($this) {
            echo $this->value;
        };

        $closure();
    }
}

$obj = new MyClass();
$obj->myMethod();

Keywords

PHP 5.3.x $this object context code adaptation changes

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