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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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
variable is null or not defined variable is falsy
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55.54 ms | 845 KiB | 4 Q