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<?php define(KEY , 'laruence'); //省略很多行代码 $array[KEY] = 2; var_dump($array); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "KEY" in /in/WcT4Q:3 Stack trace: #0 {main} thrown in /in/WcT4Q on line 3
Process exited with code 255.

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