foreach page title

I’m newbie..I have an array of 10 strings separated with comma “,”I need to make that arrays to be page title at once.

$k_menu=explode(",",$row['keyword']);
		foreach($k_menu as $key_menu){
		 for($counter=1;$counter<=200;$counter++){
		$posts[$counter]->page_title = __($key_menu);
        $posts[$counter]->post_content = $key_menu[$counter];
		 }
	}}