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-############
-Array Helper
-############
-
-The Array Helper file contains functions that assist in working with
-arrays.
-
-.. contents::
-  :local:
-
-.. raw:: html
-
-  <div class="custom-index container"></div>
-
-Loading this Helper
-===================
-
-This helper is loaded using the following code::
-
-	$this->load->helper('array');
-
-
-Available Functions
-===================
-
-The following functions are available:
-
-
-.. php:function:: element($item, $array[, $default = NULL])
-
-	:param	string	$item: Item to fetch from the array
-	:param	array	$array: Input array
-	:param	bool	$default: What to return if the array isn't valid
-	:returns:	NULL on failure or the array item.
-	:rtype:	mixed
-
-	Lets you fetch an item from an array. The function tests whether the
-	array index is set and whether it has a value. If a value exists it is
-	returned. If a value does not exist it returns NULL, or whatever you've
-	specified as the default value via the third parameter.
-
-	Example::
-
-		$array = array(
-			'color'	=> 'red',
-			'shape'	=> 'round',
-			'size'	=> ''
-		);
-
-		echo element('color', $array); // returns "red"
-		echo element('size', $array, 'foobar'); // returns "foobar"
-
-
-.. php:function:: elements($items, $array[, $default = NULL])
-
-	:param	string	$item: Item to fetch from the array
-	:param	array	$array: Input array
-	:param	bool	$default: What to return if the array isn't valid
-	:returns:	NULL on failure or the array item.
-	:rtype:	mixed
-
-	Lets you fetch a number of items from an array. The function tests
-	whether each of the array indices is set. If an index does not exist it
-	is set to NULL, or whatever you've specified as the default value via
-	the third parameter.
-
-	Example::
-
-		$array = array(
-			'color' => 'red',
-			'shape' => 'round',
-			'radius' => '10',
-			'diameter' => '20'
-		);
-
-		$my_shape = elements(array('color', 'shape', 'height'), $array);
-
-	The above will return the following array::
-
-		array(
-			'color' => 'red',
-			'shape' => 'round',
-			'height' => NULL
-		);
-
-	You can set the third parameter to any default value you like.
-	::
-
-		 $my_shape = elements(array('color', 'shape', 'height'), $array, 'foobar');
-
-	The above will return the following array::
-
-		array(     
-			'color' 	=> 'red',
-			'shape' 	=> 'round',
-			'height'	=> 'foobar'
-		);
-
-	This is useful when sending the ``$_POST`` array to one of your Models.
-	This prevents users from sending additional POST data to be entered into
-	your tables.
-
-	::
-
-		$this->load->model('post_model');
-		$this->post_model->update(
-			elements(array('id', 'title', 'content'), $_POST)
-		);
-
-	This ensures that only the id, title and content fields are sent to be
-	updated.
-
-
-.. php:function:: random_element($array)
-
-	:param	array	$array: Input array
-	:returns:	A random element from the array
-	:rtype:	mixed
-
-	Takes an array as input and returns a random element from it.
-
-	Usage example::
-
-		$quotes = array(
-			"I find that the harder I work, the more luck I seem to have. - Thomas Jefferson",
-			"Don't stay in bed, unless you can make money in bed. - George Burns",
-			"We didn't lose the game; we just ran out of time. - Vince Lombardi",
-			"If everything seems under control, you're not going fast enough. - Mario Andretti",
-			"Reality is merely an illusion, albeit a very persistent one. - Albert Einstein",
-			"Chance favors the prepared mind - Louis Pasteur"
-		);
-
-		echo random_element($quotes);
-\ No newline at end of file