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<?php error_reporting(-1); $null = null; $obj = new stdClass(); $arr = array(); $str = 'string'; $num = 1; echo $null['nope']; echo $arr['nope']; echo $str['nope']; echo $num['nope']; echo $null['nope']['sure']; echo $obj['nope']['sure']; echo $arr['nope']['sure']; echo $str['nope']['sure']; echo $num['nope']['sure'];

preferences:
37.85 ms | 402 KiB | 5 Q