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<?php class Foo { const A = 2 << -1; const B = 2 << 0; } print_r(Foo::A); print_r(Foo::B);
Output for 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /in/kBQe9:5 Stack trace: #0 /in/kBQe9(10): [constant expression]() #1 {main} thrown in /in/kBQe9 on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /in/kBQe9:5 Stack trace: #0 /in/kBQe9(10): [constant expression]() #1 {main} thrown in /in/kBQe9 on line 5
Process exited with code 255.
Output for 7.1.6, 7.3.24 - 7.3.33, 7.4.12 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /in/kBQe9:10 Stack trace: #0 {main} thrown in /in/kBQe9 on line 10
Process exited with code 255.

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