What is _remap in CodeIgniter?
Summary of the Article
The article discusses various key points related to CodeIgniter and its functionality. Here are the main points covered:
1. What is the use of the _remap function in CodeIgniter?
The _remap function allows overriding the default behavior of method calls in CodeIgniter.
2. What is the default controller in CodeIgniter?
The default controller is the controller that is loaded when no URI is present. It can be specified in the application/config/routes.php file.
3. How to add a new controller in CodeIgniter?
To add a new controller, create a sub-directory under the main application/controllers/ directory and place the controller class within it.
4. How to call a constructor in CodeIgniter?
To use a constructor in a controller, it is necessary to include the line “parent::__construct();” in the constructor. This ensures that the parent controller’s constructor is called.
5. Why use hooks in CodeIgniter?
Hooks in CodeIgniter allow executing a script with a specific path in the execution process without modifying the core files. They can be used for tasks like checking if a user is logged in before executing a controller.
6. How to delete data in CodeIgniter?
Data can be deleted using the delete() function in CodeIgniter’s database library. The function accepts an array of table names and a where clause to specify the data to be deleted.
7. What is a token in CodeIgniter?
In CodeIgniter, a token, also known as a CSRF token, is a hidden field used to prevent cross-site request forgery. It is a random value that changes with each HTTP request and is also stored in the user’s session.
8. What is $this in CodeIgniter?
$this refers to the current object instance in CodeIgniter. It provides access to everything defined in the controller and the base controller’s methods and properties.
9. How to pass two parameters in CodeIgniter?
Parameters can be passed in CodeIgniter by defining them in the URL and accessing them in the corresponding controller method.
10. How do I assign a key to my controller?
This question seems unrelated to CodeIgniter. It might be related to a game controller and assigning a key to it for gameplay.
Questions and Answers
1. What is the use of the _remap function in CodeIgniter?
The _remap function allows overriding the default behavior of method calls in CodeIgniter.
2. What is the default controller in CodeIgniter?
The default controller is the controller that is loaded when no URI is present. It can be specified in the application/config/routes.php file.
3. How to add a new controller in CodeIgniter?
To add a new controller, create a sub-directory under the main application/controllers/ directory and place the controller class within it.
4. How to call a constructor in CodeIgniter?
To use a constructor in a controller, it is necessary to include the line “parent::__construct();” in the constructor. This ensures that the parent controller’s constructor is called.
5. Why use hooks in CodeIgniter?
Hooks in CodeIgniter allow executing a script with a specific path in the execution process without modifying the core files. They can be used for tasks like checking if a user is logged in before executing a controller.
6. How to delete data in CodeIgniter?
Data can be deleted using the delete() function in CodeIgniter’s database library. The function accepts an array of table names and a where clause to specify the data to be deleted.
7. What is a token in CodeIgniter?
In CodeIgniter, a token, also known as a CSRF token, is a hidden field used to prevent cross-site request forgery. It is a random value that changes with each HTTP request and is also stored in the user’s session.
8. What is $this in CodeIgniter?
$this refers to the current object instance in CodeIgniter. It provides access to everything defined in the controller and the base controller’s methods and properties.
9. How to pass two parameters in CodeIgniter?
Parameters can be passed in CodeIgniter by defining them in the URL and accessing them in the corresponding controller method.
10. How do I assign a key to my controller?
This question seems unrelated to CodeIgniter. It might be related to a game controller and assigning a key to it for gameplay.
What is the use of _remap function in CodeIgniter
Remapping Method Calls
CodeIgniter permits you to override this behavior through the use of the _remap() method: public function _remap() { // Some code here… } If your controller contains a method named _remap(), it will always get called regardless of what your URI contains.
Cached
What is default controller in CodeIgniter
Defining a Default Controller
CodeIgniter can be told to load a default controller when a URI is not present, as will be the case when only your site root URL is requested. To specify a default controller, open your application/config/routes. php file and set this variable: $route['default_controller'] = ' Blog ';
How to add a new controller in CodeIgniter
CodeIgniter permits you to do this. Simply create sub-directories under the main application/controllers/ one and place your controller classes within them. Each of your sub-directories may contain a default controller which will be called if the URL contains only the sub-directory.
How to call a constructor in CodeIgniter
If you intend to use a constructor in any of your Controllers, you MUST place the following line of code in it: parent::__construct(); The reason this line is necessary is because your local constructor will be overriding the one in the parent controller class so we need to manually call it.
Why use hooks in CodeIgniter
It allows executing a script with specific path in the CodeIgniter execution process without modifying the core files. For example, it can be used where you need to check whether a user is logged in or not before the execution of controller. Using hook will save your time in writing code multiple times.
How to delete data in CodeIgniter
Deleting Data
$tables = array('table1', 'table2', 'table3'); $this->db->where('id', '5'); $this->db->delete($tables); If you want to delete all data from a table, you can use the truncate() function, or empty_table().
What is token in CodeIgniter
Token Method
There are several ways to do this, but in CodeIgniter hidden field is used which is called CSRF token. The CSRF token is a random value that changes with every HTTP request sent. When CSRF token is inserted in the website form, it also gets saved in the user's session.
What is $this in CodeIgniter
Using $this in a controller gives you access to everything which is defined in your controller, as well as what's inherited from the base controller. Most of the use you'll get out of $this involves calling methods which the base class has loaded for you – $this->load , $this->uri , etc.
How to pass two parameters in CodeIgniter
Passing Parameters in CodeIgniter Download CodeIgniter and name it. We have named it as params. Create a file para. php in application/controllers folder. Create a file para_view. php in application/views folder. Run the program on your browser with URL. Following output will appear on the screen.
How do I assign a key to my controller
Game. And while this guide is for an xbox controller it is also going to work for a playstation controller. Thanks for watching i'll see you later with more tech tips.
What are the two ways of calling a constructor
The calling of the constructor can be done in two ways:By using this() keyword: It is used when we want to call the current class constructor within the same class.By using super() keyword: It is used when we want to call the superclass constructor from the base class.
How to call an API in CodeIgniter
Table of ContentsInstall Codeigniter 4 Application.Turn On Error Reporting.Create Database and Table.Put Together Database Details.Create Model.Create Controller.Create REST API Route.TEST Codeigniter REST API.
What are the different types of hooks in CI
CodeIgniter has two hook files. One is the folder application/config/hooks. php, and the other is the folder application/hooks. If you want to run a code repeatedly after the controller function Object() { [native code],} is loaded in another language, you can specify the script path in hooks.
Why should I use hooks instead of classes
Hooks allow you to use local state and other React features without writing a class. Hooks are special functions that let you “hook onto” React state and lifecycle features inside function components.
Can we delete data element
You can delete data elements, rules, extensions, hosts, environments, and properties. Once deleted, these resources are not recoverable.
How do I delete data API
In order to delete data, you must perform a Delete action by specifying "deleteQuery" request parameter in the index API. The rule for \ in "deleteQuery" request parameter is the same as the "query" request parameter in Get Data from an Index Layer -> Section "Get the Data Handle".
What are the 3 parts of token
Figure 1 shows that a JWT consists of three parts: a header, payload, and signature.
What is REST API in CodeIgniter
REST stands for Representational State Transfer. A REST API is a web service which uses HTTP methods likes GET, PUT, POST, DELETE for data manipulation over the cross platforms. In this tutorial, I will demonstrate How you can create a REST API in Codeigniter.
What is Base_url () in CodeIgniter
base_url() is the URL of your CodeIgniter root or the location of the index. php file along with a trailing slash appended to the end of the URL. If the domain name is example.com and the website is using HTTPS as well as www. Further, the index.
How to remove cookies in CodeIgniter
The get_cookie() function is used to get the cookie that has been set using the set_cookie() function. The delete_cookie() function is used to delete the cookie().
How to pass more than one parameter in URL in CodeIgniter
Passing Parameters in CodeIgniter Download CodeIgniter and name it. We have named it as params. Create a file para. php in application/controllers folder. Create a file para_view. php in application/views folder. Run the program on your browser with URL. Following output will appear on the screen.
How to pass multiple parameters to API
Pass Multiple Parameters in URL in Web APIIn the "Solution Explorer".Expand the "Views" folder.Select "Home" -> "Index. cshtml". Add the following code: @{ ViewBag. Title = "Index"; } <h3>Passing multiple parameter in URL</h3> @using (Html. BeginForm("index", "Home")) { <a href="/home/MultipleParameter/
How do I assign a key to another key
To reassign a key
Connect the keyboard that you want to configure. Select the Start button, and then select Microsoft Mouse and Keyboard Center. From the displayed list of key names, select the key that you want to reassign. In the command list of the key that you want to reassign, select a command.
How do you assign a function key
Click on Windows Mobility Center. In the following window, look for the Fn key row section and expand the drop-down under it. If you wish to choose the F keys for basic functions, choose Function key. Select Multimedia key if you want to use the F keys to perform functions that typically require pressing the Fn key.
What are the 3 types of constructor
There are mainly three types of constructors in C++, Default, Parameterized and Copy constructors.