/**
* Returns a map of routing parameters extracted from the request attributes (which mast have been set previously by
* a router).
*
* @param ServerRequestInterface $request
* @return array A map of name => value of all routing parameters set on the request.
*/
static function getRouteParameters(ServerRequestInterface $request)
{
return mapAndFilter($request->getAttributes(), function ($v, &$k) {
if ($k && $k[0] == '@') {
$k = substr($k, 1);
return $v;
}
return null;
});
}
/**
* Generates a javascript representation of the provided options, stripping the ones that are null or empty strings.
*
* @param array $options A map of options.
* @param string $indent Indentation level, composed of spaces.
* @return string
*/
static function makeOptions(array $options, $indent = '')
{
$o = mapAndFilter($options, function ($v, $k) use($indent) {
if (is_object($v)) {
if (method_exists($v, 'toArray')) {
$v = $v->toArray();
} else {
$v = (array) $v;
}
}
return exists($v) ? "{$k}: " . json_encode($v, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) : null;
});
return "{\n{$indent} " . implode(",\n{$indent} ", $o) . "\n{$indent}}";
}