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<?php $var = NULL; var_dump(isset($var)); var_dump(array_key_exists($GLOBALS['var']));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) Fatal error: Uncaught ArgumentCountError: array_key_exists() expects exactly 2 arguments, 1 given in /in/gHB2b:7 Stack trace: #0 /in/gHB2b(7): array_key_exists(NULL) #1 {main} thrown in /in/gHB2b on line 7
Process exited with code 255.

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