关于php散列数组与格式化（zendframework中的ini读取方式）

/**
 * @desc 格式化数组
 * @param array $Arr_Format
 * @return array
 */
function formatArray( &$Arr_Format )
{
	foreach ( $Arr_Format as $key => $val )
	{
		$Arr_Key = explode( '.', $key );
        if ( is_array( $val ) ) formatArray( $Arr_Format[ $key ] );
		if( 1 < count( $Arr_Key ) )
        {
        	/** get the first key and pop it from key array **/
        	$cFirstKey = $Arr_Key[ 0 ];
        	array_shift( $Arr_Key );
        	$Arr_Tmp = hashArray( $Arr_Key, $val );
            unset( $Arr_Format[ $key ] );
            if( array_key_exists( $cFirstKey, $Arr_Format ) )
            {
            	$Arr_Format[ $cFirstKey ] = array_merge_recursive( $Arr_Format[ $cFirstKey ], $Arr_Tmp );
            }
            else 
            {
                $Arr_Format[ $cFirstKey ] = $Arr_Tmp;
            }
        	/** the first key must be array, and get the hash val to it **/
        }        
	}
	return $Arr_Format;
}

/**
 * @desc 散列数组（根据指定的键形成多维数组）
 * @param array $Arr_Hash hash key array
 * @param mixed $mLastVal the last key value
 * @return array
 */
function hashArray( $Arr_Hash, $mLastVal = false )
{
	if ( false === is_array( $Arr_Hash ) ) return array();
    $iCountArr = count( $Arr_Hash );
    for( $i = $iCountArr - 1; $i >= 0; $i-- )
    {
    	 if( $i == $iCountArr - 1 )
    	 {
    	 	$Arr_Tmp[ $Arr_Hash[ $i ] ] = false == $mLastVal ? array() : $mLastVal;
    	 }
    	 else 
    	 {
    	 	$Arr_Tmp[ $Arr_Hash[ $i ] ] = $Arr_Tmp;
    	 	array_shift( $Arr_Tmp );
    	 }
    }
    return $Arr_Tmp;
}

/**
 * @desc 载入ini文件
 * @param string $cFileName ini file name
 * @param bool $bToArray load mode( if to array, default to object )
 * @return mixed
 */
function loadIniFile( $cFileName, $bToArray = false )
{
	$Arr_IniFile = parse_ini_file( $cFileName, true );
	if( false !== $Arr_IniFile )
	{
		$Arr_IniFile = formatArray( $Arr_IniFile );
		if ( false === $bToArray ) $Arr_IniFile = arrayToObject( $Arr_IniFile );
	}
	return $Arr_IniFile;
}
/**
 * @desc 数组转换为对象
 * @param mixed $e
 * @return mixed
 */
function arrayToObject($e)
{
    if ( 'array' != gettype( $e ) ) return;
    foreach($e as $k=>$v)
    {
        if( gettype($v)=='array' || getType($v)=='object' )
            $e[$k]=(object)arrayToObject($v);
    }
    return (object)$e;
}

/**
 * @desc 对象转换为数组
 * @param mixed $e
 * @return mixed
 */
 function objectToArray($e){
    $e=(array)$e;
    foreach($e as $k=>$v)
    {
        if( gettype($v)=='resource' ) return;
        if( gettype($v)=='object' || gettype($v)=='array' )
            $e[$k]=(array)objectToArray($v);
    }
    return $e;
}