SkyDrive direct download.. (Original: http://corpuscollectum.wordpress.com/2011/07/12/skydrive-direct-download-link-hotlink/, Procedure-Oriented)

skydrivedl.php

<?php
	ini_set('display_error', 1);
	error_reporting(E_ALL & ~E_NOTICE);

	class skyDriveDL {
		// Location
		private $loc;
		// File
		private $file;
		
		// Content ID
		private $cid;
		
		// Full location
		private $fullLocation;
		
		// isDebug ?
		private $debug;
		
		public function __construct($id, $file, $debug = false) {
			$this->loc = $id;
			$this->file = $file;
			$this->debug = $debug;
			
			$this->cid = preg_replace('/!.+/i', '', $this->loc);
			$this->fullLocation = sprintf('https://skydrive.live.com/?cid=%s&id=%s', $this->cid, $this->loc);
		}
		
		private function getContent($url) {
			if(function_exists('file_get_contents') && (bool)ini_get('allow_url_fopen') === true)
				return file_get_contents($url);
			elseif(function_exists('curl_init')) {
				$ch = curl_init();
				
				curl_setopt($ch, CURLOPT_URL, $url);
				curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
				curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
				curl_setopt($ch, CURLOPT_HEADER, 0);
				curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
				$content = curl_exec($ch);
				curl_close($ch);
				
				return $content;
			}
		}
		
		public function getLink($redirect = false) {
			$content = $this->getContent($this->fullLocation);
			
			$enc = preg_replace('/ /i', '%20', $this->file);
			$enc = preg_replace('/\+/i', '%2B', $enc);
			$enc = preg_replace('/\(/i', '\(', $enc);
			$enc = preg_replace('/\)/i', '\)', $enc);
			
			$dlmatch = '/(?<="download":")https:[^:]+';
			$dlmatch .= $enc;
			$dlmatch .= '/i';
			
			if(preg_match($dlmatch, $content, $match)) {
				$out = preg_replace('/\\\\/i', '', $match[0]);
				if($redirect) {
					header(sprintf('location: %s', $out));
					exit;
				}
				
				return $out;
			} else return false;
		}
	}
	
	// Example.... http://localhost/skydrivedl.php?id=blabla&file=blabla.bla ...
	if($_GET['id'] && $_GET['file']) {
		$SDL = new skyDriveDL($_GET['id'], $_GET['file']);
		$result = $SDL->getLink(true);
		if($result === false) echo 'Cannot download a file ..';
	}
?>