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<?php declare(strict_types = 1); class HelloWorld { public function sayHello(?string $class): void { var_dump(new stdClass instanceof $class); } } (new HelloWorld)->sayHello(null);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.15, 8.5.0
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/MAigb:7 Stack trace: #0 /in/MAigb(11): HelloWorld->sayHello(NULL) #1 {main} thrown in /in/MAigb on line 7
Process exited with code 255.
Output for 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
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108.56 ms | 407 KiB | 5 Q