hphp/test/quick/SetM-str-promotion.php

   1 <?php
   2
   3 function elemNoPromo() {
   4   $ret = " ";
   5   $ret[0] = 'A';
   6   return $ret;
   7 }
   8
   9 function elemPromo() {
  10   $ret = "";
  11   $ret[0] = 'A';
  12   return $ret;
  13 }
  14
  15 function propNoPromo() {
  16   $ret = " ";
  17   $ret->prop = 'A';
  18   return $ret;
  19 }
  20
  21 function propPromo() {
  22   $ret = "";
  23   $ret->prop = 'A';
  24   return $ret;
  25 }
  26
  27 var_dump(elemPromo());
  28 var_dump(elemPromo());
  29 var_dump(elemNoPromo());
  30 var_dump(elemNoPromo());
  31 var_dump(propPromo());
  32 var_dump(propPromo());
  33 var_dump(propNoPromo());
  34 var_dump(propNoPromo());