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<?php $array = array(); $array[$key] = 12; $array["$test"] = 14; var_dump($array); echo $array[123];
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $key in /in/Jrhft on line 4 Warning: Undefined variable $test in /in/Jrhft on line 5 array(1) { [""]=> int(14) } Warning: Undefined array key 123 in /in/Jrhft on line 9

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