3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reflectCallable($arg): ReflectionFunctionAbstract { if (is_array($arg)) { $ref = new ReflectionMethod(...$arg); } elseif (is_callable($arg)) { $ref = new ReflectionFunction($arg); } return $ref; } function definedFunc(Foo $foo) {} $callable = function(Foo $foo) {}; class Bar { public function baz(Foo $foo) {} } foreach (['definedFunc', $callable, ['Bar', 'baz']] as $callable) { $reflected = reflectCallable($callable); if ((string) $reflected->getParameters()[0]->getType() === 'Foo') { echo 'Callable takes Foo', PHP_EOL; } }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Callable takes Foo Callable takes Foo Callable takes Foo
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 7.4.0 - 7.4.33
Deprecated: Function ReflectionType::__toString() is deprecated in /in/c5vmM on line 19 Callable takes Foo Deprecated: Function ReflectionType::__toString() is deprecated in /in/c5vmM on line 19 Callable takes Foo Deprecated: Function ReflectionType::__toString() is deprecated in /in/c5vmM on line 19 Callable takes Foo
preferences:
168.8 ms | 409 KiB | 5 Q