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<?php trait Bar { protected $things = []; function __destruct() { print_r($this->things); } } class Foo { protected $things = [ '1' => 'one' ]; use Bar; } new Foo();
Output for 7.0.20, 7.3.24 - 7.3.33, 7.4.12 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Foo and Bar define the same property ($things) in the composition of Foo. However, the definition differs and is considered incompatible. Class was composed in /in/3a1Kt on line 11
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: Foo and Bar define the same property ($things) in the composition of Foo. However, the definition differs and is considered incompatible. Class was composed in /in/3a1Kt on line 11
Process exited with code 255.

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