为何随机输出数组中的几组数据，能否详细解释其规则？
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本文共计185个文字，预计阅读时间需要1分钟。
生成随机数组序号，然后对数组元素+1。[代码] [PHP] // 百度知识中的代码php$data=array( array(price=> 6874, air=> 国泰航空), array(price=> 4726, air=> 大韩航空公司), array(price=> 65, air=> ));
1.[代码][PHP]代码
//百度知道中的代码,mark一下 $data = array( array( "price" => "6874","air" => "国泰" ), array( "price" => "4726","air" => "大韩航空" ), array( "price" => "6569","air" => "国泰航空" ), array( "price" => "6569","air" => "卡塔尔航空" ), array( "price" => "3380","air" => "美国航空" ), array( "price" => "4200","air" => "泰国航空" ) ); //随机选择出两个元素 $temp=array_rand($data,2); //重组数组 foreach($temp as $val){ $data_last[]=$data[$val]; } print_R($data_last); //分享自
本文共计185个文字，预计阅读时间需要1分钟。
生成随机数组序号，然后对数组元素+1。[代码] [PHP] // 百度知识中的代码php$data=array( array(price=> 6874, air=> 国泰航空), array(price=> 4726, air=> 大韩航空公司), array(price=> 65, air=> ));
1.[代码][PHP]代码
//百度知道中的代码,mark一下 $data = array( array( "price" => "6874","air" => "国泰" ), array( "price" => "4726","air" => "大韩航空" ), array( "price" => "6569","air" => "国泰航空" ), array( "price" => "6569","air" => "卡塔尔航空" ), array( "price" => "3380","air" => "美国航空" ), array( "price" => "4200","air" => "泰国航空" ) ); //随机选择出两个元素 $temp=array_rand($data,2); //重组数组 foreach($temp as $val){ $data_last[]=$data[$val]; } print_R($data_last); //分享自