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run code in 300+ PHP versions simultaneously
<?php interface Foo { public function doSomething(int $foo = null): void; } class Bar implements Foo { public function doSomething(?int $foo = null): void { } } class ExtendedBar extends Bar { public function doSomething(int $foo = null): void { parent::doSomething($foo); } } interface Foo2 { public function doSomething(?int $foo = null): void; } class Bar2 implements Foo2 { public function doSomething(int $foo = null): void { } }
Output for 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
Deprecated: Foo::doSomething(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/VmY1C on line 5 Deprecated: ExtendedBar::doSomething(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/VmY1C on line 18 Deprecated: Bar2::doSomething(): Implicitly marking parameter $foo as nullable is deprecated, the explicit nullable type must be used instead in /in/VmY1C on line 31
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 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29
preferences:
65.29 ms | 409 KiB | 5 Q