/**
* Convert words to PHP Class name
*
* @param $input
* @return string
*/
public static function className($input)
{
$output = preg_replace(array('#(?<=[^A-Z\\s])([A-Z\\s])#i'), ' $0', $input);
$output = explode(' ', $output);
$output = array_map(function ($item) {
$item = preg_replace('#[^a-z0-9]#i', '', $item);
$item = Filter::ucfirst($item);
return $item;
}, $output);
$output = array_filter($output);
return implode('', $output);
}
public function testUcfirst()
{
isSame('Test', Filter::ucfirst('test'));
isSame('Test', Filter::ucfirst('Test'));
isSame('Test', Filter::ucfirst('TEST'));
isSame('Test', Filter::ucfirst('tEST'));
}