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5.4.17

    1: --TEST--
    2: Bug #64417 (BC break: ArrayAccess::&offsetGet() in a trait causes fatal error)
    3: --FILE--
    4: <?php
    5: trait aa {
    6:     private $container = array();
    7:     public function offsetSet($offset, $value) {
    8:         if (is_null($offset)) {
    9:             $this->container[] = $value;
   10:         } else {
   11:             $this->container[$offset] = $value;
   12:         }
   13:     }
   14:     public function offsetExists($offset) {
   15:         return isset($this->container[$offset]);
   16:     }
   17:     public function offsetUnset($offset) {
   18:         unset($this->container[$offset]);
   19:     }
   20:     public function &offsetGet($offset) {
   21: 	$result = null;
   22:         if (isset($this->container[$offset])) {
   23:             $result = &$this->container[$offset];
   24:         }
   25:         return $result;
   26:     }
   27: }
   28: 
   29: class obj implements ArrayAccess {
   30:     use aa;
   31: }
   32: 
   33: $o = new obj;
   34: $o['x'] = 1;
   35: ++$o['x'];
   36: echo $o['x'], "\n";
   37: --EXPECT--
   38: 2
   39: