Get Page detail by page id in magento

Get Page tilte

echo Mage::getModel('cms/page')->load(3)->getTitle();  // Here 3 is page id

Get Page content

echo Mage::getModel('cms/page')->load(3)->getContent(); // Here 3 is page id

Get Page Url

echo Mage::helper('cms/page')->getPageUrl(3) ; // Here 3 is page id

Get excerpt

$full_content = Mage::getModel('cms/page')->load(3)->getContent(); // Here 3 is page id

$excerpt = strip_tags(substr($full_content,0,200));  // Here 200 is character length.

echo $excerpt;