I would understand it if it was like this ..
<?php
$search = isset($_GET['search']) ? $_GET['search'] : '';
# versus
if (isset($_GET['search'])) { $search = $_GET['search']; }
?>
In the first statement $search would either be set to $_GET['search']
or an empty string, whereas in the second statement $search would only
be set, if there is a $_GET['search']
//A yeti
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