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<?php class Foo { public function doAbd(?int $abc = null) {} } class Bar extends foo { public function doAbd(int $abc = null) {} } $foo = new Foo(); $foo->doAbd(); $bar = new Bar(); $bar->doAbd(); echo "No LSP errors.";
Output for 8.4.1 - 8.4.14, 8.4.16 - 8.4.17, 8.5.0 - 8.5.2
Deprecated: Bar::doAbd(): Implicitly marking parameter $abc as nullable is deprecated, the explicit nullable type must be used instead in /in/VmME0 on line 8 No LSP errors.
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 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29
No LSP errors.
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