php - sql: result be only data with a specific item_id -

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In this code, the data can only contain specific item_id for the result item_id = 3 ? 

  $ articles = $ db read-> Select () - & gt; From ('Articles', Array ('article_id', 'name', 'Item_id')) - & gt; Included in use ('item', 'item_id', array ('item_name')) - & gt; Order (Aray ('Updated DESC'));    
 
 
 Try it out:  
  $ articles = $ DbRead-> Choose from ('article', array ('article_id', 'name', 'item_id')) () - & gt; Included in use ('item', 'item_id', array ('item_name')) - & gt; Where ("items.item_id = 3") - & gt; Order (array ('updated DESC'));

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