Can the mvc model layer not throw an exception ??

Can the mvc model layer not throw an exception ?? Someone said to me, "the design model layer for mvc should not perform any errors or other operations. These operations should be completed by c. " Is that true? Why can't I throw an exception on

What does $ this-> db-> execute mean?

What does $ this-& gt; db-& gt; execute mean? $ this-> db-> execute means. what I know is that it executes SQL statements, who can tell me the specific meaning and what it can return? Reply to discussion (solution) What can the execute method of

[Hash] how to set up FTP connection in Webstorm/Phpstorm, and perform operations such as file comparison, upload and download, and synchronization quickly

[Hash] how to configure FTP connection in WebstormPhpstorm, and perform file comparison, upload and download, synchronization, and other operations? in addition to opening the localhost file, Phpstorm can also connect to FTP, in addition to normal

Drupal8TwigC extension installation problems

Installation on the official website may not work in English. I don't quite understand the official website installation address: twig.sensiolabs.orgdocinstallation.html {code ...} centos7 installation successful follow this way to get half a day

Php Security-is php suitable for a billing system? which architecture is better?

Developing a billing system from 0 is suitable for using php. which PHP architecture is better? Developing a billing system from 0 is suitable for using php. which PHP architecture is better? The problem has been disabled. cause: the problem

Mongodb-php7.0 install mongo extension

In the current php7.0 environment, you need to install mongo and mongodb extensions, but you cannot find the appropriate one. how to install it? In the current php 7.0 environment, mongo and mongodb extensions must be installed, but no suitable

Php implements single-chain table, php implements single-chain _ PHP Tutorial

Php implements a single-chain table, and php implements a single-chain table. Php implements single-chain table, php implements single-chain? Php *** single-chain table ** classDemo {private $ id; public $ name; public $ next; publicfunction _

Php WeChat development-upload temporary materials, php development materials-PHP Tutorial

Php Development-upload temporary materials and php development materials. Php Development: Upload temporary materials. php development materials this article provides examples to share with you the specific code for php to upload temporary materials

PHP linked list data structure (single-chain table); single-chain _ PHP Tutorial

Let's talk about the data structure of the PHP linked list (single-chain table) and single-chain. Talking about the data structure of the PHP linked list (single-chain table), talking about the single-chain list: it is an ordered list, but it is

[PHP] question System Research, php question System Research _ PHP Tutorial-php Tutorial

[PHP] question System Research, php question system research. [PHP] exam system research, php exam system research exam subjects: add exam subjects, enter the subject name, and select the subject question type (check box single-choice questions,

Notes for uploading files in php in linux: _ PHP Tutorial

Notes for uploading files in php in linux ,. Notes for uploading files in php in linux. the example in this article shares the precautions for uploading files in php in linux for your reference, the specific content is as follows: 1. modify the

ThinkPHP form token error solution analysis, thinkphp token _ PHP Tutorial

ThinkPHP form token error solution analysis, thinkphp token. ThinkPHP form token error solution analysis, thinkphp token This article analyzes the ThinkPHP form token error solution. For your reference, refer to the ThinkPHP form token error

Yii2 paging usage and its extension methods, yii2 paging extension _ PHP Tutorial

Yii2 paging usage and its extension methods are described in detail, and yii2 paging extension is described in detail. Yii2 paging usage and its extension methods are described in detail, step by step teach you how to use the paging Yii2 page and

Yii2assets how to clear the cache, yii2assets how to clear the cache _ PHP Tutorial

Yii2assets clears the cache. Yii2assets indicates how to clear the cache. yii2assets indicates how to clear the cache. For your reference, see usevendormyVend Yii2 assets to clear the cache and yii2assets to clear the cache. This example

PHP implements encryption and decryption processing class, php implements encryption and decryption _ PHP Tutorial

PHP implements encryption and decryption, and php implements encryption and decryption. PHP implements encryption and decryption, and php implements encryption and decryption. this example describes the encryption and decryption processing class

Install Apache2.4 + MySql5.7 + PHP5.6 and apache2.4mysql5.7 _ PHP in windows

Install Apache2.4 + MySql5.7 + PHP5.6 and apache2.4mysql5.7 in windows. Installing Apache2.4 + MySql5.7 + PHP5.6 in windows and learning PHP consistency before apache2.4mysql5.7 is to only use phpStudy to integrate the development environment, which

Yii2 integration Baidu editor umeditor, yii2 integration umeditor_PHP tutorial

Yii2 integrates Baidu editor umeditor and yii2 integrates umeditor. Yii2 integration Baidu editor umeditor, yii2 integration umeditor author: White Wolf Source: www. manks. this article is copyrighted by the Author. You are welcome to reprint it.

PHP uses token to prevent repeated submission of forms. token form _ PHP Tutorial

PHP uses token to prevent repeated submission of forms. PHP uses token to prevent repeated submission of forms. this example describes how PHP uses token to prevent repeated submission of forms. For your reference, PHP uses token to prevent repeated

MVC, mvc framework _ PHP Tutorial-php Tutorial

MVC, mvc framework. MVC is not a technology, but an idea that separates website user operations from background user operations (including database operations. Background MVC and mvc framework MVC It is either a technology or an idea that separates

Mixer structure analysis [uavcan as an example] _ PHP Tutorial

Mixer structure analysis [uavcan]. Mixer structure analysis [uavcan as an example] mixer commands are system app commands located in the Firmwaresrcsystemcmdsmixer directory, its function is to load valid content in the mix file to the specific

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