3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { public function a(Foo $a): void; public function b(Foo $b): void; } class Bar implements Foo { public function a(Foo $a):void {} public function b($b):void {} }
Output for 8.1.30 - 8.1.33, 8.2.22 - 8.2.29, 8.3.5 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
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.
preferences:
71.73 ms | 407 KiB | 5 Q