/**
* Returns the dependencies of the specified class.
*
* @param string $class class name, interface name or alias name
* @return array the dependencies of the specified class.
*/
protected function getDependencies($class)
{
if (isset($this->_reflections[$class])) {
return [$this->_reflections[$class], $this->_dependencies[$class]];
}
$dependencies = [];
$reflection = new ReflectionClass($class);
$constructor = $reflection->getConstructor();
if ($constructor !== null) {
foreach ($constructor->getParameters() as $param) {
if ($param->isDefaultValueAvailable()) {
$dependencies[] = $param->getDefaultValue();
} else {
$c = $param->getClass();
$dependencies[] = Instance::of($c === null ? null : $c->getName());
}
}
}
$this->_reflections[$class] = $reflection;
$this->_dependencies[$class] = $dependencies;
return [$reflection, $dependencies];
}
