数组随机取值。解决方案

数组随机取值。

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->$json = <<<EOT[{"album":"album1","truck":"truck1"},{"album":"album1","truck":"truck3"},{"album":"album1","truck":"truck4"},{"album":"album1","truck":"truck6"},{"album":"album2","truck":"truck2"},{"album":"album2","truck":"truck3"},{"album":"album3","truck":"truck2"},{"album":"album3","truck":"truck5"}{"album":"album4","truck":"truck5"},{"album":"album4","truck":"truck6"},{"album":"album5","truck":"truck1"},{"album":"album5","truck":"truck3"},{"album":"album6","truck":"truck2"},{"album":"album6","truck":"truck3"},{"album":"album6","truck":"truck4"},{"album":"album7","truck":"truck2"},{"album":"album7","truck":"truck5"},{"album":"album7","truck":"truck6"}]EOT;$data = json_decode($json);foreach($data as $row){   //echo '唱片:'.$row->album.' ,曲目:'.$row->truck.'<br />';}

登录后复制

PHP code

$data = json_decode($json);foreach($data as $v) $r[$v-&gt;truck] = $v;$data = $r;$ar = array_rand($data, 4);foreach($ar as $k) {    echo '唱片:'.$data[$k]-&gt;album.' ,曲目:'.$data[$k]-&gt;truck.'<br>';}<div class="clear"></div>

登录后复制