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Array Helper
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<h1>Array Helper</h1>
<p>The Array Helper file contains functions that assist in working with arrays.</p>
<h2>Loading this Helper</h2>
<p>This helper is loaded using the following code:</p>
<code>$this->load->helper('array');</code>
<p>The following functions are available:</p>
<h2>element()</h2>
<p>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 FALSE, or whater you've specified as the default value via the third parameter. Example:</p>
<code>
$array = array('color' => 'red', 'shape' => 'round', 'size' => '');<br />
<br />
// returns "red"<br />
echo element('color', $array);<br />
<br />
// returns NULL<br />
echo element('size', $array, NULL);
</code>
<h2>random_element()</h2>
<p>Takes an array as input and returns a random element from it. Usage example:</p>
<code>$quotes = array(<br />
"I find that the harder I work, the more luck I seem to have. - Thomas Jefferson",<br />
"Don't stay in bed, unless you can make money in bed. - George Burns",<br />
"We didn't lose the game; we just ran out of time. - Vince Lombardi",<br />
"If everything seems under control, you're not going fast enough. - Mario Andretti",<br />
"Reality is merely an illusion, albeit a very persistent one. - Albert Einstein",<br />
"Chance favors the prepared mind - Louis Pasteur"<br />
);<br />
<br />
echo random_element($quotes);</code>
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