reflection-quircks.php

<?php

class FoobarWithReflectionCall
{
    public static function staticMethod(int|float $value): int|float
    {
        return $value;
    }

    public static function __callStatic(string $name, array $arguments): int|float|null
    {
        if (!str_starts_with($name, 'try')) {
            throw new BadMethodCallException("static method $name does not exist.");
        }

        $method = lcfirst(substr($name, 3));
        if (!method_exists(self::class, $method)) {
            throw new BadMethodCallException("static method $name does not exist.");
        }

        $reflection = new ReflectionMethod(self::class, $method);
        if (!$reflection->isPublic() || !$reflection->isStatic()) {
            throw new BadMethodCallException("static method $name does not exist.");
        }

        try {
            return $reflection->invoke(null, ...$arguments);
        } catch (Throwable) {
            return null;
        }

    }
}

class FoobarWithoutReflectionCall
{
    public static function staticMethod(int|float $value): int|float
    {
        return $value;
    }

    public static function __callStatic(string $name, array $arguments): int|float|null
    {
        if (!str_starts_with($name, 'try')) {
            throw new BadMethodCallException("static method $name does not exist.");
        }

        $method = lcfirst(substr($name, 3));
        if (!method_exists(self::class, $method)) {
            throw new BadMethodCallException("static method $name does not exist.");
        }

        $reflection = new ReflectionMethod(self::class, $method);
        if (!$reflection->isPublic() || !$reflection->isStatic()) {
            throw new BadMethodCallException("static method $name does not exist.");
        }

        try {
            return $method(...$arguments);
        } catch (Throwable) {
            return null;
        }

    }
}

var_dump(
    FoobarWithReflectionCall::tryStaticMethod('42'),    // returns 42
    FoobarWithoutReflectionCall::tryStaticMethod('42'), // returns null
);