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<?php $a = [1, 5, 8]; $s = 'Hello'; $o = new stdClass(); var_dump(isset($s[$o])); var_dump(empty($s[$o])); try { var_dump(isset($a[$o])); } catch (\Throwable $e) { echo $e->getMessage(), "\n"; } try { var_dump(empty($a[$o])); } catch (\Throwable $e) { echo $e->getMessage(), "\n"; }
Output for git.master, git.master_jit
bool(false) bool(true) Illegal offset type in isset or empty Illegal offset type in isset or empty
Output for rfc.property-hooks
bool(false) bool(true) Cannot access offset of type object in isset or empty Cannot access offset of type object in isset or empty

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