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<?php class PromoteConstructorProperty { public function __construct( public string $var ) { } } $bool = class_exists(PromoteConstructorProperty::class);
Output for 8.0.0 - 8.0.17, 8.1.10 - 8.1.33, 8.2.10 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13
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
Output for 7.3.0 - 7.3.27, 7.4.0 - 7.4.16
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/4cMW4 on line 6
Process exited with code 255.

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