Description:
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Please add array element access on instantiation

...like JavaScript, C# and all languages excluding PHP 5.4RC

Test script:
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<?php

 $i=0;
 print(array('pa','th')[$i++]); // pa
 print(['wa','ss'][$i++]); // ss

?>

Expected result:
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Parse error: syntax error, unexpected '[' in C:\htdocs\array.php on line 4

Actual result:
--------------
pass