[Solved] How to get language id?

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$subfooter[1]["description"][1]; 

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    	$lang = $this->language->get('code'); 

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 <?php $subfooter = $this->config->get('welcome_module'); 
    	$subfooter_counter = count($subfooter);
 ?> 
 <div class="column">  
 <?php 
   if ($subfooter_counter >=  1 && $subfooter[1]["status"]) 
     echo html_entity_decode($subfooter[1]["description"][1]); 
 ?>
 </div>

 <div class="column">  
 <?php 
   if ($subfooter_counter >=  2 && $subfooter[2]["status"]) 
     echo html_entity_decode($subfooter[2]["description"][1]); 
 ?>
 </div>

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$lccode =  $this->session->data['language'] ;

if ($lccode != 'en'){
      $this->session->data['language']= 'en'  ;
}

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(int)$this->config->get('config_language_id')