php代码求分析
<br />echo join(' - ', $_GET), '<br>'; // ①<br />$dict = array(<br /> 'area' => array('内地', '港台'),<br /> 'type' => array('动作', '爱情'),<br /> 'year' => array('2001', '2013'),<br />);<br />foreach($dict as $key=>$item) {<br /> $param = $_GET; //②<br /> foreach($item as $v) {<br /> $param[$key] = $v; //③<br /> $t = http_build_query($param); //④<br /> echo "<a href='/search.php?$t'>$v</a> ";<br /> }<br /> echo '<br>';<br />}