Home > headlines > body text

Detailed introduction and usage of compact function

不言
Release: 2020-07-10 17:37:04
Original
5651 people have browsed it

The content of this article is about the use of compact() in PHP built-in functions. It has certain reference value. Now I share it with you. Friends in need can refer to a PHP built-in function that I found when using tpshop today. It is called compact(), this function creates an array consisting of the variables taken by the parameters. If there is an array in the parameter, the value of the variable in the array will also be obtained. This can reduce the amount of code. for example /*** Get price details in shopping cart * @param $cartList|Shopping cart list * @return array ​​*/ &nb

1. php built-in function uses compact()

Detailed introduction and usage of compact function

##Introduction: This article introduces the use of compact() in PHP built-in functions. It has a certain reference value. Now I share it with you. Friends in need can refer to it

2. php compact Detailed explanation of creating array instances through variables

Introduction: The php compact function is used to create arrays. This function creates an array. The compact function parameter will accept One or more variables, then use the name of the variable as the index of the created array, the variable value as the value of the created array, and then return the created array. This article explains to you the basic syntax and usage examples of compact function. Coders who need it can refer to it.

3. Recommended articles about compact()

Detailed introduction and usage of compact function

##Introduction: The main points of this issue are to gain an in-depth understanding of various auxiliary functions of PHP functions. PHP core syntax: Function understanding: what is a variable parameter function, ... $var, PHP5.6 new features introduce the usage of compact function PHP: compact - Usage of Manuallist function PHP: list - ManualPHP magic method Before starting, this issue is talking about query statements in SQL. Since the complexity and the correlation between multiple classes are not as simple as the Connector chapter, this time we need a Speaking in tone...

4.

Recommended articles about compact()

Detailed introduction and usage of compact function##Introduction: The key points of this issue are to gain an in-depth understanding of various auxiliary functions of PHP functions. PHP core syntax: Function understanding: what is a variable parameter function, ...$var, PHP5.6 new features introduction to compact function Usage of PHP: compact - Manuallist function Usage of PHP: list - ManualPHP magic method Before starting, this issue is about query statements in SQL. Due to the complexity and the correlation between multiple classes, it is not as simple as the Connector article. Therefore, This time I need to talk about it in one breath...

5. 10 recommended content of

compact()

Detailed introduction and usage of compact functionIntroduction: The main points of this issue are to gain an in-depth understanding of various auxiliary functions of PHP functions. PHP core syntax: function understanding of what is a variable parameter function, ...$var, PHP5. 6 new features introduce the usage of compact function PHP: compact - Manual The usage of list function PHP: list - ManualPHP magic method Before starting, this issue is talking about query statements in SQL. Due to the complexity and the correlation between multiple classes, it is not Connector The article is so simple, so I need to talk about it in one breath this time...

6.

10 recommended articles about the php compact() function

Detailed introduction and usage of compact functionIntroduction: The key points of this issue are to gain an in-depth understanding of various auxiliary functions of PHP functions. PHP core syntax: Function understanding: What is a variable parameter function? , ...$var, PHP5.6 new features introduce the usage of compact function PHP: compact - usage of Manuallist function PHP: list - ManualPHP magic method Before starting, this issue is talking about query statements in SQL. Due to the complexity and multiple The correlation between classes is not as simple as the Connector chapter, so I need to talk about it in one go this time...

7. mutual conversion of php variables and arrays (extract and compact)_PHP tutorial

Introduction: mutual conversion of php variables and arrays ( extract and compact). In PHP, we can use the extract or compact function to convert arrays and variables. Let me share two examples with you using these two functions. compact multiple variables to array

8. Array assignment: Array is converted into variable assignment function extract (array, type, prefix) and its compact function

Introduction: The PHP extract() function imports variables from an array into the current symbol table. For each element in the array, the key is used for the variable name and the key value is used for the variable value. The second parameter type is used to specify how the extract() function treats such conflicts when a variable already exists and there is an element with the same name in the array. This function returns the number of successfully set variables

9. Conversion between php variables and arrays (extract and compact)

Introduction: Mutual conversion of PHP variables and arrays (extract and compact). In PHP, we can use the extract or compact function to convert arrays and variables. Let me share two examples with you using these two functions. compact multiple variables to array

10. HBase solves the problem that the Region Server Compact process takes up a lot of network egress bandwidth

Introduction: HBase solves the problem of Region Server Compact process occupying a large amount of network egress bandwidth Author: Dayuan Those Things | The article can be reprinted, please indicate the original source and author information of the article in the form of a hyperlink URL: Recommended: "HBase Authoritative Guide" HBase version 0.92 After that, the Compact process of the Region Server is divided into smal

11 based on the size of the files to be merged. MSSQL version numbers of each release version and Compact version number

Introduction: Finally started blogging. Don’t laugh

12. HBase new feature—Stripe Compaction

Detailed introduction and usage of compact function

Introduction: Based on the Compaction method of LevelDB and Cassandra, https://issues.apache.org/jira/browse/HBASE-7667 proposes the Stripe Compaction method. Motivation: 1) Too many Regions will increase the cost of RS maintenance and reduce the read and write performance of RS. As the amount of data increases, increasing the number of Regions to a certain extent will increase

13. hbase authoritative guide: store file consolidation (compaction)

Detailed introduction and usage of compact function

Introduction: ????????? hbase in order to prevent small files (menstore from being flushed to the disk) To ensure query efficiency, hbase needs to merge these small store files into relatively large store files when necessary. This process is called compaction. In hbase, there are two main types of compaction: minor? compaction and maj

14. HBase Compactions Q&A

Introduction: HBase Compactions Q: Ted Yu summarizes some of the most frequent questions related to compactions in HBase: On user mailing list, questions about compaction are probably the mostfrequently asked. Original title and link: HBase Compactions

15. Application in SQLServer Compact 4.0 (1), basic configuration

Introduction: Before continuing, you must first Make sure your IIS runs on ASP.Net 4.0. This is the only requirement. SQLServer Compact 4.0 can only run in the 4.0 environment and there is no room for negotiation. If that's not possible, either improve your relationship with the server administrator or change servers. Although I also know that there is a way to make SQLServer

16. How to import data into the SQL Server Compact Edition database (4)

Introduction: Series navigation: How to import data into the SQL Server Compact Edition database (1) How to import data into the SQL Server Compact Edition database (2) How to import data into the SQL Server Compact Edition database (3) Summary: In the first and third articles of this series The second article is written to improve data

17. How to import data into the SQL Server Compact Edition database (5)

Introduction: Navigation of series of articles: How to import data into the SQL Server Compact Edition database (1) How to import data into the SQL Server Compact Edition database (2) How to import data into the SQL Server Compact Edition database (3) How to import data into SQL Server Compact Edition number

18. How to import data into SQL Server Compact Edition database (3)

Introduction: Navigation of series of articles: How to import data into SQL Server Compact Edition database (1) How to import data into SQL Server Compact Edition database (2) Summary: It’s been nearly half a year, I don’t know Do you still remember that I mentioned in the summary of the first article in this series that creating a SQL Server CE database table

19. SQL Server 2005 Compact Edition server environment Introduction

Detailed introduction and usage of compact function

Introduction: If a Microsoft SQL Server 2005 Compact Edition (SQL Server Compact Edition) application requires To exchange data between a Microsoft SQL Server database and a SQL Server Compact Edition database, you must install and configure the following: Microsoft Internet Information Services (IIS) SQL Server

20. Install SQL Server Compact Edition on a desktop computer

Introduction: Microsoft SQL Server 2005 Compact Edition (SQL Server Compact Edition) is a version of Microsoft SQL Server 2005 Mobile Edition (SQL Server Mobile) Next version. SQL Server Compact Edition is available for desktop computers and does not require installation of Visual Studio 2005 or SQL Server 2005

21. Create mobile applications with SQL Server Compact Edition

Introduction: This walkthrough will show you how to create an application in Microsoft Visual Studio 2005 using Microsoft SQL Server 2005 Compact Edition. The SQL Server Compact Edition database will become a subscriber to the SQL Server 2005 publication, and merge replication will be used from the SQL Server 2005 database

22. Encountering compact in laravel (), I don’t understand the parameters

Introduction: {code...} The code is as above, why is the compact parameter 'comments' instead of $comments?

23. A JavaScript compression tool: X2JSCompactor_javascript skills

Introduction: A JavaScript compression tool: X2JSCompactor

[Related Q&A recommendations]:

ios - iPad multitasking, after pushing a full-screen ViewController, after sliding the split slider, click the return button, navigation bar Disappears

android - Blank display issue with TextInputLayout

javascript - undefined with null

php - Encountered compact() in laravel and did not understand the parameters

laravel Template page variables are not defined?

source:php.cn
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
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!