PHP 二维数组根据某个字段排序
<?php /** * 二维数组根据某个字段排序 * 功能:按照用户的年龄倒序排序 * @author ruxing.li */ header(‘Content-Type:text/html;Charset=utf-8‘); $arrUsers = array( array( ‘id‘ => 1, ‘name‘ => ‘张三‘, ‘age‘ => 25, ), array( ‘id‘ => 2, ‘name‘ => ‘李四‘, ‘age‘ => 23, ), array( ‘id‘ => 3, ‘name‘ => ‘王五‘, ‘age‘ => 40, ), array( ‘id‘ => 4, ‘name‘ => ‘赵六‘, ‘age‘ => 31, ), array( ‘id‘ => 5, ‘name‘ => ‘黄七‘, ‘age‘ => 20, ), ); $sort = array( ‘direction‘ => ‘SORT_DESC‘, //排序顺序标志 SORT_DESC 降序;SORT_ASC 升序 ‘field‘ => ‘age‘, //排序字段 ); $arrSort = array(); foreach($arrUsers AS $uniqid => $row){ foreach($row AS $key=>$value){ $arrSort[$key][$uniqid] = $value; } } if($sort[‘direction‘]){ array_multisort($arrSort[$sort[‘field‘]], constant($sort[‘direction‘]), $arrUsers); } echo ‘<pre>‘; var_dump($arrUsers); echo ‘</pre>‘; ?>
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