PHP: Implementation for Contao CMS hooks to change various URLs

config.php

<?php if (!defined('TL_ROOT')) die('You can not access this file directly!');

$GLOBALS['TL_HOOKS']['generateFrontendUrl'][] = array('RDKHooks', 'myGenerateFrontendUrl');

$GLOBALS['TL_HOOKS']['getPageIdFromUrl'][] = array('RDKHooks', 'myGetPageIdFromUrl');

urlhooks.php

<?php if (!defined('TL_ROOT')) die('You can not access this file directly!');

class RDKHooks extends Backend {

	public function myGenerateFrontendUrl($objPage, $strParams, $strUrl)
	{
	
	
		if( strstr($strUrl, 'rdk-artikel/items/') )
		{    
			$alias = str_replace("rdk-artikel/items/", "", $strUrl);
			$alias = str_replace(".html", "", $alias);
			$this->import('Database');
			
			$res = $this->Database->prepare("Select publishingdate FROM rdk_articles WHERE alias=?")
														->limit(1)
														->execute($alias);
			
			if($res->numRows){
				$row = $res->fetchAssoc();
				$m = date('m', $row['publishingdate']);
				$y = date('Y', $row['publishingdate']);
			
			
				switch($m){
					case '01':
						$m = 'januar';
						break;
					case '02':
						$m = 'februar';
						break;
					case '03':
						$m = 'maerz';
						break;
					case '04':
						$m = 'april';
						break;
					case '05':
						$m = 'mai';
						break;
					case '06':
						$m = 'juni';
						break;
					case '07':
						$m = 'juli';
						break;
					case '08':
						$m = 'august';
						break;
					case '09':
						$m = 'september';
						break;
					case '10':
						$m = 'oktober';
						break;
					case '11':
						$m = 'november';
						break;
					case '12':
						$m = 'dezember';
						break;
				}
			}										
													
			//exit;

			
	  	$strUrl = str_replace("rdk-artikel/items/", "$m-$y/", $strUrl);
	  }
		// News
	  else if( strstr($strUrl, 'news/items/') )
		{    
			$alias = str_replace("news/items/", "", $strUrl);
			$alias = str_replace(".html", "", $alias);
			
			$this->import('Database');
			$res = $this->Database->prepare("Select date FROM tl_news WHERE alias=?")
														->limit(1)
														->execute($alias);
			
			if($res->numRows){
				$row = $res->fetchAssoc();
				$urlDate = date('Y/m/d/', $row['date']);
			}
				
	  	$strUrl = str_replace("items/", $urlDate, $strUrl);
	  }
		// Ausgabenansicht Archiv
		else if ( strstr($strUrl, '/issue/') )
		{    
	  	$strUrl = str_replace("issue/", "", $strUrl);
	  }
	
	  return $strUrl;
	}



	public function myGetPageIdFromUrl($arrFragments) 
	{    
		
		if(in_array('archiv-anzeige', $arrFragments) )
		{
			array_insert($arrFragments, 1, 'issue');
	 		return $arrFragments;
		}
		
		else if(in_array('rdk-artikel', $arrFragments) )
		{			
	  	array_insert($arrFragments, 1, 'items');
	 		return $arrFragments;
		}
		
		else if( preg_match('/[a-z]+\-\d{4}/', $arrFragments[0]) ) 
		{
			array_insert($arrFragments, 0, 'rdk-artikel');
			array_insert($arrFragments, 1, 'items');
			array_insert($arrFragments, 2, $arrFragments[3]);
			unset($arrFragments[3]);
			unset($arrFragments[4]);
		}
		
		else if( in_array('news', $arrFragments) ) 
		{
			
			array_insert($arrFragments, 1, 'items');
			array_insert($arrFragments, 2, $arrFragments[5]);
			unset($arrFragments[3]);
			unset($arrFragments[4]);
			unset($arrFragments[5]);
		}
		
		return $arrFragments;
	}

}