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    1: --TEST--
    2: Returning a reference from a function.
    3: --FILE--
    4: <?php
    5: function &returnRef() {
    6: 		global $a;
    7: 		return $a;
    8: }
    9: 
   10: function returnVal() {
   11: 		global $a;
   12: 		return $a;
   13: }
   14: 
   15: $a = "original";
   16: $b =& returnVal();
   17: $b = "changed";
   18: var_dump($a); //expecting warning + "original" 
   19: 
   20: $a = "original";
   21: $b =& returnRef();
   22: $b = "changed";
   23: var_dump($a); //expecting "changed" 
   24: ?>
   25: --EXPECTF--
   26: 
   27: Strict Standards: Only variables should be assigned by reference in %s on line 13
   28: string(8) "original"
   29: string(7) "changed"