system/classes/Collection.php
public function fetchOffset($num)
    {
        // If the content has been modified, regenerate $this->content.
        // and $this->contentKeys.
        if ($this->contentModified) {
            $this->generateContent();
        }
        
        // If the offset exists, return the data.
        $key = $this->fetchOffsetKey($num);
        if ($key != null) {
            return $this->content[$key];
        }
        
        return null;
    }
public function fetchOffset($num)
    {
        // If the content has been modified, regenerate $this->content.
        // and $this->contentKeys.
        if ($this->contentModified) {
            $this->generateContent();
        }
        
        // If the offset exists, return the data.
        $key = $this->fetchOffsetKey($num);
        if ($key != null) {
            return $this->content[$key];
        }
        
        return null;
    }
public function fetchOffset ( $ num ) { // If the content has been modified, regenerate $this->content. // and $this->contentKeys. if ( $ this -> contentModified ) { $ this -> generateContent ( ) ; } // If the offset exists, return the data. $ key = $ this -> fetchOffsetKey ( $ num ) ; if ( $ key != null ) { return $ this -> content [ $ key ] ; } return null ; }
Returns a resource by numerical offset.

@param num A number.
Returns a resource by numerical offset .