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run code in 300+ PHP versions simultaneously
<?php try { echo $label; } catch (Exception $e) { echo $e->getMessage(); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $label in /in/iH6SG on line 4
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: label in /in/iH6SG on line 4
Output for 7.3.32 - 7.3.33, 7.4.26

preferences:
204.8 ms | 401 KiB | 287 Q