/**
* @param array $Request
* @return string
* @throws \Exception
*/
public function dispatch(array $Request)
{
$Request = array_change_key_case($Request, CASE_LOWER);
foreach ($this->Callbacks as $Rules => $Calbacks) {
/**
* All positive conditions are parsed here.
*
* This type of conditions don't need any special character in the beginning
* and always checked in the first place.
*/
$Keys = array_filter($Rules = explode(',', $Rules), function ($key) {
return !preg_match('/^[:!]/', $key);
});
if (count(array_diff($Keys, array_keys($Request))) < 1) {
/**
* All negative conditions are parsed here.
*
* This type of conditions have to start from a special negation character
* and always checked in the second place.
*/
$Keys = array_map(function ($key) {
return preg_replace('/^!/', null, $key);
}, array_filter($Rules, function ($key) {
return preg_match('/^!/', $key);
}));
if (empty($Keys) || count(array_diff($Keys, array_keys($Request))) == count($Keys)) {
/**
* All grabbable keys are parsed here.
*
* This list are always includes all positive conditions and conditions
* started by special colon character.
*/
$Values = Arr::like($Request, array_map(function ($key) {
return preg_replace('/^:/', null, $key);
}, array_filter($Rules, function ($key) {
return !preg_match('/^!/', $key);
})));
foreach ($Calbacks as $Callback) {
if (!is_null($response = call_user_func_array($Callback, $Values))) {
return $response;
}
}
}
}
}
/**
* If any non-empty value wasn't obtained from callbacks
* then the null value will be returned by default.
*/
return null;
}
