3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function foo(string $s): string; public function bar(int $i): int; } // Абстрактный класс может реализовывать только часть интерфейса. // Классы, расширяющие абстрактный класс, должны реализовать все остальные. abstract class B implements A { public function foo(string $s): string { return $s . PHP_EOL; } } class C extends B { public function bar(int $i): int { return $i * 2; } } $c = new C(); echo $c->bar(2); // OK, 4 $b = new B(); $b->foo("123");
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
4 Fatal error: Uncaught Error: Cannot instantiate abstract class B in /in/nSJIF:31 Stack trace: #0 {main} thrown in /in/nSJIF on line 31
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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 4 Fatal error: Uncaught Error: Cannot instantiate abstract class B in /in/nSJIF:31 Stack trace: #0 {main} thrown in /in/nSJIF on line 31
Process exited with code 255.
preferences:
58.75 ms | 409 KiB | 5 Q