src/Carbon/CarbonPeriod.php
public function prependFilter($callback, $name = null)
    {
        $tuple = $this->createFilterTuple(func_get_args());

        array_unshift($this->filters, $tuple);

        $this->handleChangedParameters();

        return $this;
    }
public function prependFilter($callback, $name = null)
    {
        $tuple = $this->createFilterTuple(func_get_args());

        array_unshift($this->filters, $tuple);

        $this->handleChangedParameters();

        return $this;
    }
public function prependFilter ( $ callback , $ name = null ) { $ tuple = $ this -> createFilterTuple ( func_get_args ( ) ) ; array_unshift ( $ this -> filters , $ tuple ) ; $ this -> handleChangedParameters ( ) ; return $ this ; }
Prepend a filter to the stack.

@param callable $callback
@param string   $name

@return $this
Prepend a filter to the stack .