nspl\ds\Collection::key PHP Method

Collection Class Documentation 显示文件 Open project: ihor/Nspl

key() public method

(PHP 5 >= 5.0.0)
Return the key of the current element
See link: http://php.net/manual/en/iterator.key.php
public key ( ) : mixed
return mixed scalar on success, or null on failure. 
    public function key()
    {
        return key($this->array);
    }
Collection
__toString
count
current
key
next
offsetExists
offsetGet
offsetSet
offsetUnset
rewind
stringifyArray
toArray
valid