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<?php try { $name ?? throw new Exception("variable is null or not defined"); } catch (Exception $e) { echo $e->getMessage() . "\n"; } try { $name = ''; $name ?: throw new Exception("variable is falsy"); } catch (Exception $e) { echo $e->getMessage() . "\n"; }
Output for 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
variable is null or not defined variable is falsy
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52.64 ms | 894 KiB | 4 Q