Home Backend Development PHP Tutorial 10 recommended articles about array_column()

10 recommended articles about array_column()

Jun 13, 2017 am 11:15 AM
array php

PHP 开发者正式 发布 5.5 版本,该版本从去年11月开始开发,历经多个测试版本。PHP 5.5  包含一系列的新特性,例如新的 array_column() 函数以及 foreach() 循环支持标量迭代键;包括 generators  允许开发者实现简单的协程。同时新版本引入了一个密码哈希函数,可以让开发者轻松实现加盐的安全密码;新增 finally  关键字;foreach 结构支持 list() 构建;其他改进包括 opcode 缓存、代码优化、Zend Optimizer+  等等,这些对不会对已有代码造成影响,主要是提升语言的性能和稳定性。新的密码哈希 API 使用了 Bcrypt 方法,示例如下:$hash = password_hash($password, PASSWORD_DEFAULT); 校验方法:password_ver

1. PHP55正式版发布,不再支持Windows XP windows windows xp sp3 windows xp正版系统

简介:Windows XP:PHP55正式版发布,不再支持Windows XP:PHP 开发者正式 发布 5.5 版本,该版本从去年11月开始开发,历经多个测试版本。PHP 5.5  包含一系列的新特性,例如新的 array_column() 函数以及 foreach() 循环支持标量迭代键;包括 generators  允许开发者实现简单的协程。同时新版本引入了一个密码哈希函数,可以让开发者轻松实现加盐的安全密码;新增 finally  关键字;foreach 结构支持 l

2. php返回数组中指定的一列(php5.5.0默认函数array_column()在php<5.5.0的应用)

简介:php返回数组中指定的一列(php5.5.0默认函数array_column()在php&lt;5.5.0的应用)

3. 自己写的兼容低于PHP 5.5版本的array_column()函数,5.5array_column_PHP教程

简介:自己写的兼容低于PHP 5.5版本的array_column()函数,5.5array_column。自己写的兼容低于PHP 5.5版本的array_column()函数,5.5array_column array_column 用于获取二维数组中的元素(PHP 5.5新增函数),但我们有时候需要在低

4. 兼容低版本PHP(5.5版本以下)的array_column()函数分享

简介:兼容低版本PHP(5.5版本以下)的array_column()函数 PHP 5.5新增array_column()数组函数,如果需要在低版本的PHP环境中使用,是不行的。本文介绍如何实现兼容低于PHP 5.5版本的array_column()函数..直接上代码。 if(!function_exists("array_column")){ function array_column($inp

5. 自己写的兼容低于PHP 5.5版本的array_column()函数,5.5array_column

简介:自己写的兼容低于PHP 5.5版本的array_column()函数,5.5array_column。自己写的兼容低于PHP 5.5版本的array_column()函数,5.5array_column array_column 用于获取二维数组中的元素(PHP 5.5新增函数),但我们有时候需要在低

6. 让array_column()函数兼容低版本PHP

简介:提供各种官方和用户发布的代码示例,代码参考,欢迎大家交流学习

7. 自己写的兼容低于PHP 5.5版本的array_column()函数

简介:这篇文章主要介绍了自己写的兼容低于PHP 5.5版本的array_column()函数,array_column是PHP 5.5新增函数,有时在低版本中也可能要用到,需要的朋友可以参考下

8. [PHP]array

简介:--------------------------------------------------------------------------------------------------------- /* |----------------------------------------------------------|array_map();将回调函数作用到给定数组的单元上|array_column();快速实现:

9. php returns a specified column in the array (php5.5.0 default function array_column() in php

10 recommended articles about array_column()

Introduction: array_column() returns the column with the specified key name in the array (PHP 5 =5.5.0) array_column—returns the specified column in the array. What should we do if the PHP version is less than 5.5.0? Customize one The following code is excerpted from onethink OneThink ThinkPHP

10. My own array_column() function that is compatible with versions lower than PHP 5.5_PHP

Introduction: This article mainly introduces the array_column() function I wrote that is compatible with versions lower than PHP 5.5. array_column is a new function in PHP 5.5. Sometimes it may be used in lower versions. It needs to be Friends can refer to

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Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Apr 05, 2025 am 12:04 AM

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

PHP Program to Count Vowels in a String PHP Program to Count Vowels in a String Feb 07, 2025 pm 12:12 PM

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

Explain late static binding in PHP (static::). Explain late static binding in PHP (static::). Apr 03, 2025 am 12:04 AM

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What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.

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