1--TEST-- 2Assignement as argument 3--FILE-- 4<?php 5 function foo(&$x, &$y) { $x = 1; echo $y ; } 6 7 $x = 0; 8 foo($x, $x); // prints 1 .. 9 10 11 function foo2($x, &$y, $z) 12 { 13 echo $x; // 0 14 echo $y; // 1 15 $y = 2; 16 } 17 18 $x = 0; 19 20 foo2($x, $x, $x = 1); 21 echo $x; // 2 22?> 23--EXPECT-- 241012 25