Example:
file: \bla\test1.php
class Test {
public function Hello($one) {
}
}
file: \bla2\test2.php
class World {
public function GetNumberOfParameters($class, $method) {
// output: number of parameters required of method Hello
}
}
You can use reflection to get the number of parameters. Something like:
$reflec = new ReflectionClass('Test');
$helloMethod = $reflec->getMethod('Hello');
echo "Number of params is: ".$helloMethod->getNumberOfParameters();
See here: http://php.net/manual/en/class.reflectionclass.php
I'd consider why you want to do this however. I can think of very few cases where this would be of any use.
Example: http://codepad.org/zWca7mFz