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<?php declare(strict_types = 0); interface Foo { /** * @return string|object The violation message as a string or a stringable object */ function getMessage(); } class SomeMessage implements Foo { /** * {@inheritDoc} */ public function getMessage() { return new class { public function __toString(): string { return 'Hello World'; } }; } }; (static function (string $message): void { echo $message; })((new SomeMessage())->getMessage());
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 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
Hello World
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 Hello World
preferences:
156.65 ms | 402 KiB | 182 Q