hphp/test/zend/bad/tests/lang/returnByReference.009.php

   1 <?php
   2
   3
   4 function &returnVarByRef () {
   5     $b=1;
   6         return $b;
   7 }
   8
   9 function &testReturnVarByRef() {
  10         return returnVarByRef();
  11 }
  12
  13 function returnVal () {
  14 return 1;
  15 }
  16
  17 function &testReturnValByRef() {
  18         return returnVal();
  19 }
  20
  21 echo "\n---> 1. Return a variable by reference -> No warning:\n";
  22
  23 var_dump (testReturnVarByRef());
  24
  25 echo "\n---> 2. Return a value by reference -> Warning:\n";
  26
  27 var_dump (testReturnValByRef());
  28