protected function camel($input)
    {
        if (isset(static::$camelCache[$input])) {
            return static::$camelCache[$input];
        }

        return static::$camelCache[$input] = lcfirst(str_replace(' ', '', ucwords(strtr($input, '_-', '  '))));
    }
protected function camel($input)
    {
        if (isset(static::$camelCache[$input])) {
            return static::$camelCache[$input];
        }

        return static::$camelCache[$input] = lcfirst(str_replace(' ', '', ucwords(strtr($input, '_-', '  '))));
    }
protected function camel ( $ input ) { if ( isset ( static :: $ camelCache [ $ input ] ) ) { return static :: $ camelCache [ $ input ] ; } return static :: $ camelCache [ $ input ] = lcfirst ( str_replace ( ' ' , '' , ucwords ( strtr ( $ input , '_-' , '  ' ) ) ) ) ; }
Convert a input to camel case

@param string $input
@return string
Convert a input to camel case