michaelcontento · August 29, 2015 14:08
diff --git a/lambda_as_class_member.php b/lambda_as_class_member.php
 <?php

 class A
 {
    public function __construct()
    {
        $this->lambda = function() {
            echo "Hello World!";
        };
    }
 }

 $a = new A();

 $a->lambda();
 // Fatal error: Call to undefined method A::lambda()

 $a->lambda->__invoke();
 // "Hello World"
	<?php

	class A
	{
	public function __construct()
	{
	$this->lambda = function() {
	echo "Hello World!";
	};
	}
	}

	$a = new A();

	$a->lambda();
	// Fatal error: Call to undefined method A::lambda()

	$a->lambda->__invoke();
	// "Hello World"