system/classes/Collection.php
public function max($key = false)
    {
        $collection = $this->getIterator();
        $max = 0;
        $valueToReturn = 0;
        foreach ($collection as $result) {
            if ($key && isset($result->$key)) {
                if ($result->$key > $max) {
                    $max = $result->$key;
                    $valueToReturn = $result;
                }
            }
            else if ($key && isset($result[$key])) {
                if ($result[$key] > $max) {
                    $max = $result[$key];    
                    $valueToReturn = $result;
                }
            }
            else {
                if ($result > $max) {
                    $max = $result;
                    $valueToReturn = $result;
                }
            }
        }
        return $valueToReturn;
    }
public function max($key = false)
    {
        $collection = $this->getIterator();
        $max = 0;
        $valueToReturn = 0;
        foreach ($collection as $result) {
            if ($key && isset($result->$key)) {
                if ($result->$key > $max) {
                    $max = $result->$key;
                    $valueToReturn = $result;
                }
            }
            else if ($key && isset($result[$key])) {
                if ($result[$key] > $max) {
                    $max = $result[$key];    
                    $valueToReturn = $result;
                }
            }
            else {
                if ($result > $max) {
                    $max = $result;
                    $valueToReturn = $result;
                }
            }
        }
        return $valueToReturn;
    }
public function max ( $ key = false ) { $ collection = $ this -> getIterator ( ) ; $ max = 0 ; $ valueToReturn = 0 ; foreach ( $ collection as $ result ) { if ( $ key && isset ( $ result -> $ key ) ) { if ( $ result -> $ key > $ max ) { $ max = $ result -> $ key ; $ valueToReturn = $ result ; } } else if ( $ key && isset ( $ result [ $ key ] ) ) { if ( $ result [ $ key ] > $ max ) { $ max = $ result [ $ key ] ; $ valueToReturn = $ result ; } } else { if ( $ result > $ max ) { $ max = $ result ; $ valueToReturn = $ result ; } } } return $ valueToReturn ; }
Returns the largest value.

@param key A key on which to sum the when looking at the contents of this Container.
@return mixed Value
Returns the largest value .