1--TEST-- 2Returning a reference from a function 3--FILE-- 4<?php 5 6function &returnByRef(&$arg1) 7{ 8 return $arg1; 9} 10 11$a = 7; 12$b =& returnByRef($a); 13var_dump($b); 14$a++; 15var_dump($b); 16 17?> 18--EXPECT-- 19int(7) 20int(8)