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<? $a = 'tst'; $b = array ( $a => 'value'; ); $a = 'bnb'; echo $b['tst']; ?>
based on bUWSv
Output for 5.4.0 - 5.4.32
<? $a = 'tst'; $b = array ( $a => 'value'; ); $a = 'bnb'; echo $b['tst']; ?>