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<?php class Foo extends Exception {} try { throw new Foo(); } catch (Foo $e) { var_dump('catch 1'); } catch (Exception $e) { var_dump('catch 1'); }
Output for 8.0.1 - 8.0.30, 8.1.0 - 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
string(7) "catch 1"

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94.88 ms | 1100 KiB | 4 Q