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1.1 misho 1: --TEST-- 2: var_export() and empty array keys 3: --FILE-- 4: <?php 5: $a = array ("\0" => 'null', "" => 'empty', "0" => 'nul'); 6: var_export($a); 7: ?> 8: --EXPECT-- 9: array ( 10: '' . "\0" . '' => 'null', 11: '' => 'empty', 12: 0 => 'nul', 13: )