3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar {} class TheParent{ public function __construct(string $foo, Bar $storage, string $baz) {} } class Foo extends TheParent { public function __construct(string $foo, ?Bar $storage = NULL, string $baz) {} } class TheChild extends Foo { public function __construct(string $foo, Bar $storage, string $baz) {} }
Output for 8.4.1 - 8.4.14, 8.5.0
Deprecated: Foo::__construct(): Optional parameter $storage declared before required parameter $baz is implicitly treated as a required parameter in /in/XAAhc on line 9
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 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28
Deprecated: Optional parameter $storage declared before required parameter $baz is implicitly treated as a required parameter in /in/XAAhc on line 9
Output for 8.0.1 - 8.0.30

preferences:
102.39 ms | 410 KiB | 5 Q