lisachenko · March 19, 2013 11:16 · jekill · Nov 28, 2014 · lisachenko · May 11, 2019
diff --git a/test.php b/test.php
 <?php
 function hello() {
    echo 'Hello, magic PHP!';
 }

 function getCallback() {
    return 'hello';
 }

 $result = ${'_'.!$_=getCallback()}();
	<?php
	function hello() {
	echo 'Hello, magic PHP!';
	}

	function getCallback() {
	return 'hello';
	}

	$result = ${'_'.!$_=getCallback()}();