Description:
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look at Reproduce code, its selfexplaining

Reproduce code:
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//this causes an error (also with brakets), but actually should not:
$ref =& $array[] = $foo;

//must be like: 
$array[] = $foo; 
$ref =& $array[count($array)-1];



Expected result:
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$ref to reference the new arrayindex..

Actual result:
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fatal error.