文章 专题 AI工具 学习 下载 问答 源码 最近更新
PHP
会员中心 讲师中心 微信公众号
首页 > 后端开发 > php教程 > 正文

php怎么将二维数组键名相同的元素转为新的数组?不用for,foreach循环

php中文网
发布： 2016-06-06 20:28:08
原创
1559人浏览过

如图所示是一个二维数组[别纠结,为了方便我将其转为了json], 其中type只有两个值1和2,
现在需要将type=1的元素转到$new数组中,type=2的转到$old数组中。

立即学习“PHP免费学习笔记（深入）”；

除了用循环还有什么方法没?

附上json:

[{"id":"10","type":"1","cpu":"Intel Xeon E3-1241v3","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"148","price1":"142","price2":"135","price3":"127","price4":"118","add_time":"0000-00-00 00:00:00","edit_time":"0000-00-00 00:00:00","ip":null},{"id":"11","type":"1","cpu":"Intel Xeon E5-1650v2","cores":"6","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"198","price1":"190","price2":"180","price3":"170","price4":"158","add_time":"0000-00-00 00:00:00","edit_time":"0000-00-00 00:00:00","ip":null},{"id":"12","type":"1","cpu":"Dual Intel Xeon E5-2630v2","cores":"12","ram":"64","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"348","price1":"334","price2":"317","price3":"299","price4":"278","add_time":"0000-00-00 00:00:00","edit_time":"0000-00-00 00:00:00","ip":null},{"id":"4","type":"2","cpu":"Intel Core i3-2100T","cores":"2","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"68","price1":"65","price2":"61","price3":"56","price4":"51","add_time":"2015-09-16 16:36:39","edit_time":"2015-09-16 16:36:42","ip":"127.0.0.1"},{"id":"5","type":"2","cpu":"Intel Xeon X3470","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"78","price1":"75","price2":"70","price3":"65","price4":"59","add_time":"2015-09-16 16:37:24","edit_time":"2015-09-16 16:37:27","ip":"127.0.0.1"},{"id":"6","type":"2","cpu":"Intel Core i5-2400","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"88","price1":"84","price2":"79","price3":"73","price4":"66","add_time":"2015-09-16 16:38:14","edit_time":"2015-09-16 16:38:16","ip":"127.0.0.1"},{"id":"7","type":"2","cpu":"Intel Core i7-2600","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"98","price1":"94","price2":"88","price3":"81","price4":"74","add_time":"2015-09-16 16:40:02","edit_time":"2015-09-16 16:40:04","ip":"127.0.0.1"},{"id":"8","type":"2","cpu":"Intel Core i7-3770S","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"118","price1":"113","price2":"106","price3":"98","price4":"89","add_time":"2015-09-16 16:40:50","edit_time":"2015-09-16 16:40:52","ip":"127.0.0.1"},{"id":"9","type":"2","cpu":"Dual Intel Xeon X5650","cores":"12","ram":"64","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"318","price1":"305","price2":"286","price3":"264","price4":"239","add_time":"2015-09-16 16:42:00","edit_time":"2015-09-16 16:42:02","ip":"127.0.0.1"}]
登录后复制
登录后复制

php怎么将二维数组键名相同的元素转为新的数组?不用for,foreach循环

回复内容：

如图所示是一个二维数组[别纠结,为了方便我将其转为了json], 其中type只有两个值1和2,
现在需要将type=1的元素转到$new数组中,type=2的转到$old数组中。

立即学习“PHP免费学习笔记（深入）”；

除了用循环还有什么方法没?

附上json:

[{"id":"10","type":"1","cpu":"Intel Xeon E3-1241v3","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"148","price1":"142","price2":"135","price3":"127","price4":"118","add_time":"0000-00-00 00:00:00","edit_time":"0000-00-00 00:00:00","ip":null},{"id":"11","type":"1","cpu":"Intel Xeon E5-1650v2","cores":"6","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"198","price1":"190","price2":"180","price3":"170","price4":"158","add_time":"0000-00-00 00:00:00","edit_time":"0000-00-00 00:00:00","ip":null},{"id":"12","type":"1","cpu":"Dual Intel Xeon E5-2630v2","cores":"12","ram":"64","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"348","price1":"334","price2":"317","price3":"299","price4":"278","add_time":"0000-00-00 00:00:00","edit_time":"0000-00-00 00:00:00","ip":null},{"id":"4","type":"2","cpu":"Intel Core i3-2100T","cores":"2","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"68","price1":"65","price2":"61","price3":"56","price4":"51","add_time":"2015-09-16 16:36:39","edit_time":"2015-09-16 16:36:42","ip":"127.0.0.1"},{"id":"5","type":"2","cpu":"Intel Xeon X3470","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"78","price1":"75","price2":"70","price3":"65","price4":"59","add_time":"2015-09-16 16:37:24","edit_time":"2015-09-16 16:37:27","ip":"127.0.0.1"},{"id":"6","type":"2","cpu":"Intel Core i5-2400","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"88","price1":"84","price2":"79","price3":"73","price4":"66","add_time":"2015-09-16 16:38:14","edit_time":"2015-09-16 16:38:16","ip":"127.0.0.1"},{"id":"7","type":"2","cpu":"Intel Core i7-2600","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"98","price1":"94","price2":"88","price3":"81","price4":"74","add_time":"2015-09-16 16:40:02","edit_time":"2015-09-16 16:40:04","ip":"127.0.0.1"},{"id":"8","type":"2","cpu":"Intel Core i7-3770S","cores":"4","ram":"16","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"118","price1":"113","price2":"106","price3":"98","price4":"89","add_time":"2015-09-16 16:40:50","edit_time":"2015-09-16 16:40:52","ip":"127.0.0.1"},{"id":"9","type":"2","cpu":"Dual Intel Xeon X5650","cores":"12","ram":"64","hard_drive":"1TB SATA","port_speed":"100Mbps","transfer":"20TB","ipmi_kvm":"Y","price":"318","price1":"305","price2":"286","price3":"264","price4":"239","add_time":"2015-09-16 16:42:00","edit_time":"2015-09-16 16:42:02","ip":"127.0.0.1"}]
登录后复制
登录后复制

php怎么将二维数组键名相同的元素转为新的数组?不用for,foreach循环

/*
 * 好吧。不知道是不是你需要的。还有想说一句，有这个必要吗？
 * */
$b =
    array(
        array('type' => 1, 'name' => 'lisi'),
        array('type' => 2, 'name' => 'lisi'),
        array('type' => 1, 'name' => 'lisi'),
        array('type' => 1, 'name' => 'lisi'),
    );

$newArray = array();

print_r(array_filter($b,'filtertype'));

echo '<br>';

print_r(array_filter($b,'filtertypetwo'));

function filtertype($var)
{
    return $var['type'] ==1;
}

function filtertypetwo($var)
{
    return $var['type'] ==2;
}
登录后复制

array_column — 返回数组中指定的一列 (注意版本要求。PHP 5 >= 5.5.0)

<?php
 $records  = array(
    array(
         'id'  =>  2135 ,
         'first_name'  =>  'John' ,
         'last_name'  =>  'Doe' ,
    ),
    array(
         'id'  =>  3245 ,
         'first_name'  =>  'Sally' ,
         'last_name'  =>  'Smith' ,
    ),
    array(
         'id'  =>  5342 ,
         'first_name'  =>  'Jane' ,
         'last_name'  =>  'Jones' ,
    ),
    array(
         'id'  =>  5623 ,
         'first_name'  =>  'Peter' ,
         'last_name'  =>  'Doe' ,
    )
);
 
 $first_names  =  array_column ( $records ,  'first_name' );
 print_r ( $first_names );
 ?>   

以上例程会输出：

Array
(
    [0] => John
    [1] => Sally
    [2] => Jane
    [3] => Peter
)
登录后复制

除了不循环，我想不到别的法子，关注一下，等高人回答。

array_map(function($v){
    if($v['type'] == 1){
        $GLOBALS['new'][] = $v;
    }else if($v['type'] == 2){
        $GLOBALS['old'][] = $v;
    } 
}, json_decode($json, true));
登录后复制

$arr = [];//给的数组
$result = array_map(function($v){
    if($v['type'] == 1) return $v;
},$arr);
var_dump($result);
登录后复制

PHP速学教程(入门到精通)
PHP速学教程(入门到精通)

PHP怎么学习？PHP怎么入门？PHP在哪学？PHP怎么学才快？不用担心，这里为大家提供了PHP速学教程(入门到精通)，有需要的小伙伴保存下载就能学习啦！

下载
来源：php中文网
收藏 点赞
上一篇：用来卖的PHP程序，怎样防止别人购买后二次低价倒卖？ 下一篇：php 无限分类如何简化？
本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系admin@php.cn
最新问题
PHP中的授权管理：如何在PHP中实现用户权限控制 实现PHP用户权限控制需四步：1.明确权限结构，通过用户、角色、权限三层次设计，关联表结构清晰管理权限；2.登录后加载权限信息，通过查询角色权限并缓存减少数据库压力；3.前后端结合控制访问，前端优化体验，后端严格判断权限标识；4.根据业务决定是否引入行级权限，如限制仅编辑自己创建内容，确保系统安全与灵活扩展。
2025-06-10 19:06:01
625
PHP中的索引优化：如何提高数据库查询性能 索引是提升数据库查询速度的关键。它像书的目录一样，帮助数据库快速定位数据，避免全表扫描。常见类型包括主键索引、唯一索引、普通索引和复合索引。选择合适字段建立索引应优先考虑频繁查询条件、连接字段和排序分组字段；不适合加索引的情况包括重复率高、很少查询或小数据量表的字段。使用复合索引时需遵循最左匹配原则，避免冗余与过度索引。可通过EXPLAIN、SHOWINDEX等工具查看和优化现有索引，并定期清理无效索引以提升性能。
2025-06-10 18:54:01
110
PHP中的Trait特性：如何使用Trait实现代码复用 Trait是PHP中用于代码复用的机制，允许在多个类间共享方法实现。它通过trait关键字定义，并使用use引入到类中，例如traitUniqueId{publicfunctiongenerateId(){returnuniqid();}}配合classUser{useUniqueId;}可生成唯一ID。当多个Trait存在同名方法时，需手动处理冲突，如LogB::loginsteadofLogA指定保留某方法，或通过LogA::logaslogFromA起别名。Trait常用于通用工具方法、行
2025-06-10 18:27:01
209
PHP中的文件压缩：如何用PHP实现ZIP压缩解压 在PHP中实现ZIP压缩与解压需先启用zip扩展，再使用ZipArchive类完成操作。1.首先确认环境已启用zip扩展，若未启用则在php.ini中开启extension=zip并重启服务；2.使用ZipArchive类创建ZIP文件时，实例化对象后调用open方法创建或打开文件，通过addFile添加文件至压缩包，最后close保存；3.解压时同样实例化ZipArchive，open目标ZIP文件后调用extractTo指定解压路径，注意路径必须存在且有写权限；4.其他注意事项包括处理大文件
2025-06-10 17:06:02
199
PHP中的短信发送：如何集成第三方短信服务商 要在PHP项目中集成短信发送功能，必须注册第三方服务商账号并获取API信息，使用HTTP请求方式封装发送函数，严格遵守模板和签名审核要求，并处理常见异常问题。具体步骤包括：1.注册账号并获取AccessKey、API地址、签名、模板ID等参数，配置至.env或config.php文件中；2.使用cURL或Guzzle发起POST/GET请求，构造包含手机号、模板ID、模板参数的请求体，建议将发送逻辑封装为独立类或函数；3.提前申请并通过短信签名与模板审核，确保签名如【某某科技】、模板如“验证码是
2025-06-10 15:48:02
668
PHP中的命令行脚本：如何在PHP中编写命令行工具 要运行PHP命令行脚本，需确认安装PHPCLI，创建.php文件并添加shebang行，随后通过phpfilename.php或赋予执行权限后运行；处理参数可通过$argv和$argc获取，也可使用getopt()或第三方库；打造专业CLI工具应支持颜色输出、帮助文档、清晰错误提示及交互输入，并注意权限设置、避免Web依赖函数、管理内存与日志记录。1.确认安装PHPCLI并创建脚本；2.使用$argv/$argc获取参数或用getopt()解析复杂参数；3.添加ANSI颜色、显示帮助信息、提供错
2025-06-10 15:06:02
429
PHP中的支付集成：如何接入支付宝和微信支付 在PHP项目中集成支付宝和微信支付，需注册商户账号并配置API密钥，接着分别接入各自SDK完成支付流程。1.注册支付宝与微信商户账号并获取商户号、API密钥等信息；2.接入支付宝：下载SDK，配置参数并构造支付请求生成跳转链接，处理同步与异步回调；3.接入微信支付：下载证书并配置SDK，创建订单获取prepay_id，调起前端支付并验证异步通知；4.注意事项：防范签名错误、正确处理异步通知、解决跨域问题、记录日志以及测试退款等功能。整个过程虽步骤较多，但按文档操作并关注细节即可顺利完成集成。
2025-06-10 14:57:01
828
PHP中的面向对象：如何在PHP中实现面向对象编程 PHP中的面向对象编程（OOP）并不难掌握，关键在于理解类和对象的基本概念。1.类是模板，定义属性和行为，如User类包含用户名、邮箱等属性及登录、注册方法；2.对象是类的实例，通过new创建具体用户；3.封装将数据和方法包装在一起，提升模块化和访问控制，使用public、protected、private限定访问权限；4.继承允许子类复用父类代码，如Student继承Person并扩展study方法；5.多态让子类重写父类方法，实现不同行为；6.构造函数__construct初始化属性，析构函
2025-06-10 09:24:05
788
PHP中的XSS防护：如何过滤用户输入的恶意脚本 防止XSS攻击的关键在于过滤和转义用户输入。1.使用htmlspecialchars()转义输出内容，将特殊字符转换为HTML实体，防止脚本执行；2.在输入阶段使用filter_var()或strip_tags初步过滤，但推荐在输出时转义，对富文本使用HTMLPurifier清理；3.设置Content-Security-Policy响应头限制资源加载来源，阻止内联脚本执行，作为补充防护手段。所有用户输入都必须经过处理后再输出，确保安全性。
2025-06-09 23:09:01
168
PHP中的安全防护：如何在PHP中防止常见安全漏洞 要保障PHP应用安全，需重点防范SQL注入、XSS攻击、CSRF攻击及文件上传风险。1.防止SQL注入：使用PDO或MySQLi扩展的预处理语句，通过参数绑定方式传入用户输入，避免拼接SQL字符串；2.过滤和转义输出：使用htmlspecialchars()函数防止XSS攻击，针对不同上下文采用相应过滤方式；3.验证与保护表单提交：为每个用户生成唯一Token并存储于Session中，在表单隐藏字段中加入该Token，提交时验证一致性以防御CSRF攻击；4.安全地处理文件上传：限制上传类型，重命
2025-06-09 22:36:01
555
相关专题
更多>
热门推荐
开源免费商场系统广告
热门教程
更多>
相关推荐
热门推荐
最新课程
最新下载
更多>
网站特效
网站源码
网站素材
前端模板
关于我们 免责申明 意见反馈 讲师合作 广告合作 最新更新
php中文网：公益在线php培训，帮助PHP学习者快速成长！
关注服务号 技术交流群
app下载
PHP中文网订阅号
每天精选资源文章推送
PHP中文网APP
随时随地碎片化学习
PHP中文网抖音号
发现有趣的

Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号

  • PHP学习

  • 技术支持

  • 返回顶部