PHP Upgrade Script

php-upgrade.php

<?
	define('APP_PATH', __DIR__.'/');
	
	function delete_dir($dir) { 
	   if (substr($dir, strlen($dir)-1, 1) != '/') 
	       $dir .= '/'; 

	   if ($handle = opendir($dir)) 
	   { 
	       while ($obj = readdir($handle)) 
	       { 
	           if ($obj != '.' && $obj != '..') 
	           { 
	               if (is_dir($dir.$obj)) 
	               { 
	                   if (!delete_dir($dir.$obj)) 
	                       return false; 
	               } 
	               elseif (is_file($dir.$obj)) 
	               { 
	                   if (!unlink($dir.$obj)) 
	                       return false; 
	               } 
	           } 
	       } 

	       closedir($handle); 

	       if (!@rmdir($dir)) 
	           return false; 
	       return true; 
	   } 
	   return false; 
	}
	
	
	function recursive_glob($pattern='*', $flags = 0, $path='')
	{
	    $paths = glob($path.'*', GLOB_MARK|GLOB_ONLYDIR|GLOB_NOSORT);
	
	    $files = glob($path.$pattern, $flags);
	    
		foreach ($paths as $path) { 
			$files=array_merge($files,recursive_glob($pattern, $flags, $path));
		}
		
	    return $files;
	}


	function string_to_parts($file) {

		$file_parts = explode('/', $file);

		$file_name = end($file_parts);

		$path_parts = array();
		foreach ($file_parts as $key => $value) {
			if ($file_name != $value) {
				$path_parts[] = $value;
			}
		}
		
		$file_path = '';
		foreach ($path_parts as $part) {
			$file_path .= $part.'/';
		}
		
		$file_clean['path'] = $file_path;
		$file_clean['name'] = $file_name;
		$file_clean['full'] = $file_path.$file_name;
	
		return $file_clean;
	}
	
	function array_clean($source)
	{
	    foreach ($source as $key => $val) {
	        if ($val == '') {
	            unset($source[$key]);
	        }
	    }

	    return $source;
	}
	

	// Path from Serpent API
	$client = curl_init('http://localhost/_lab/upgrade/source/update.zip');
	
	curl_setopt($client, CURLOPT_RETURNTRANSFER, 1);  //fixed this line
	
	$filedata = curl_exec($client);
	
	file_put_contents(APP_PATH.'update.zip', $filedata);
	
	if (file_exists(APP_PATH.'update.zip')) {
		echo '<p>File downloaded!</p>';
	}
	
	$zip = new ZipArchive;
	
	if ($zip->open(APP_PATH.'update.zip') === TRUE) {
	    $zip->extractTo(APP_PATH);
	    $zip->close();
	    
			chdir(APP_PATH.'update');
			$update_files = recursive_glob('*.*');
		
			echo '<ul class="list">';
			
			foreach ($update_files as $file) {
				$parts = string_to_parts($file);
				
				$update_file_path = APP_PATH.'update/'.$parts['full'];
				$site_folder_path = APP_PATH.'site/'.$parts['path'];
				$site_file_path = APP_PATH.'site/'.$parts['full'];
					
				if (!is_dir($site_folder_path)) {
					echo "<li><strong>Creating folder:</strong> ".$parts['path'].'</li>';
					mkdir( $site_folder_path );
				}
							
				if (file_exists($site_file_path)) {
					echo "<li><strong>Updated:</strong> ".$parts['full']."</li>";
				} else {
					echo "<li><strong>Added:</strong> ".$parts['full']."</li>";
				}
				
				$file = file_get_contents( $update_file_path );

				$fp = fopen( $site_file_path, 'w' );
				
				fwrite($fp, $file);
			}
					
			echo '</ul>';

			# Clean up!
			delete_dir(APP_PATH.'update');
			delete_dir(APP_PATH.'__MACOSX');
			unlink(APP_PATH.'update.zip');

			echo '<p>Tentacle CMS was updated successfully!</p>';

	} else {
	    echo 'Something Went Wrong!';
	}