/**
* Recursively copy an array, used by deepCopy
*
* @param array, the input array.
* @return array, a deep copy of the input array
* @access private
* @since 7/12/05
* @static
*/
function &_deepCopyArray(&$array)
{
$newArray = array();
foreach (array_keys($array) as $key) {
// Use deep-copy if we can on Objects
if (is_object($array[$key]) && method_exists($array[$key], 'deepCopy')) {
$newArray[$key] =& $array[$key]->deepCopy();
} else {
if (is_array($array[$key])) {
$newArray[$key] =& SObject::_deepCopyArray($array[$key]);
} else {
$newArray[$key] = $array[$key];
}
}
}
return $newArray;
}
/**
* Overriding printablestring
*
* @return string
* @access public
* @since 7/12/05
*/
function printableString()
{
$string = parent::printableString();
return $string . '(' . $this->numberOfLegs . ' legs)';
}