Table of Contents
回复讨论(解决方案)
Home Backend Development PHP Tutorial php怎么获取二维数组指定的某个字段的值?

php怎么获取二维数组指定的某个字段的值?

Jun 23, 2016 pm 01:41 PM

需求:有如下数组$arr,数组中有两个模块一个net 一个login,我怎么根据net模块获取最后一个marks,
其中net模块和login模块的数据还是一条一条正往$arr里插,net模块亦可能是 find add up  del  chark 或者更多字段,
就是不管他插多少,我上来一下能找到最后一个marks,如现在你找到del 下的最后一个marks ,前提是我不知道del是组后一个,我要是知道的话,我搞个索引就好了,还有个foreach ,不要遍历,遍历速度不快,谁能给个速度快点?

$arr = array("net" => array(                                       "find" => array("marks"=>"1234","name"=>"lisi"),                                       "add" => array("marks"=>"12","name"=>"lisi2"),                                       "up" => array("marks"=>"15","name"=>"lisi3"),                                       "del" => array("marks"=>"9","name"=>"lisi4")                               ),                           "login" => array(                                      "find" => array("marks"=>"16661","name"=>"lisi5"),                                      "add" => array("marks"=>"18881","name"=>"lisi6")                               )                          );
Copy after login


回复讨论(解决方案)

$v = end($arr['net']);$k = key($arr['net']);echo $k;print_r($v);
Copy after login

楼上真棒  呵呵

 学习了


真给力,学习了

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Two Point Museum: All Exhibits And Where To Find Them
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Working with Flash Session Data in Laravel Working with Flash Session Data in Laravel Mar 12, 2025 pm 05:08 PM

Laravel simplifies handling temporary session data using its intuitive flash methods. This is perfect for displaying brief messages, alerts, or notifications within your application. Data persists only for the subsequent request by default: $request-

cURL in PHP: How to Use the PHP cURL Extension in REST APIs cURL in PHP: How to Use the PHP cURL Extension in REST APIs Mar 14, 2025 am 11:42 AM

The PHP Client URL (cURL) extension is a powerful tool for developers, enabling seamless interaction with remote servers and REST APIs. By leveraging libcurl, a well-respected multi-protocol file transfer library, PHP cURL facilitates efficient execution of various network protocols, including HTTP, HTTPS, and FTP. This extension offers granular control over HTTP requests, supports multiple concurrent operations, and provides built-in security features.

Simplified HTTP Response Mocking in Laravel Tests Simplified HTTP Response Mocking in Laravel Tests Mar 12, 2025 pm 05:09 PM

Laravel provides concise HTTP response simulation syntax, simplifying HTTP interaction testing. This approach significantly reduces code redundancy while making your test simulation more intuitive. The basic implementation provides a variety of response type shortcuts: use Illuminate\Support\Facades\Http; Http::fake([ 'google.com' => 'Hello World', 'github.com' => ['foo' => 'bar'], 'forge.laravel.com' =>

12 Best PHP Chat Scripts on CodeCanyon 12 Best PHP Chat Scripts on CodeCanyon Mar 13, 2025 pm 12:08 PM

Do you want to provide real-time, instant solutions to your customers' most pressing problems? Live chat lets you have real-time conversations with customers and resolve their problems instantly. It allows you to provide faster service to your custom

Explain the concept of late static binding in PHP. Explain the concept of late static binding in PHP. Mar 21, 2025 pm 01:33 PM

Article discusses late static binding (LSB) in PHP, introduced in PHP 5.3, allowing runtime resolution of static method calls for more flexible inheritance.Main issue: LSB vs. traditional polymorphism; LSB's practical applications and potential perfo

PHP Logging: Best Practices for PHP Log Analysis PHP Logging: Best Practices for PHP Log Analysis Mar 10, 2025 pm 02:32 PM

PHP logging is essential for monitoring and debugging web applications, as well as capturing critical events, errors, and runtime behavior. It provides valuable insights into system performance, helps identify issues, and supports faster troubleshoot

Discover File Downloads in Laravel with Storage::download Discover File Downloads in Laravel with Storage::download Mar 06, 2025 am 02:22 AM

The Storage::download method of the Laravel framework provides a concise API for safely handling file downloads while managing abstractions of file storage. Here is an example of using Storage::download() in the example controller:

HTTP Method Verification in Laravel HTTP Method Verification in Laravel Mar 05, 2025 pm 04:14 PM

Laravel simplifies HTTP verb handling in incoming requests, streamlining diverse operation management within your applications. The method() and isMethod() methods efficiently identify and validate request types. This feature is crucial for building

See all articles