What is a helper in CodeIgniter?

Helpers, as the name suggests, help you with tasks. Each helper file is simply a collection of functions in a particular category. CodeIgniter does not load Helper Files by default, so the first step in using a Helper is to load it. Once loaded, it becomes globally available in your controller and views.

What is a library in CodeIgniter?

The essential part of a CodeIgniter framework is its libraries. It provides a rich set of libraries, which indirectly increase the speed of developing an application. The system library is located at system/libraries. All we need to do is to load the library that we want to use.

Why we use libraries in CodeIgniter?

CodeIgniter provide a rich set of libraries. It is an essential part of CodeIgniter as it increases the developing speed of an application. It is located in the system/library.

What is custom library in CodeIgniter?

We can create our own class and use it as library. Codeigniter library means class file located into the classes “application/libraries” directory. You might have to remember a few things when creating a custom library in CI. It is a very simple process.

What are helper functions?

A helper function is a function that performs part of the computation of another function. Helper functions are used to make your programs easier to read by giving descriptive names to computations. They also let you reuse computations, just as with functions in general.

What is helper in CodeIgniter explain URL Helper with its methods with example?

by mayankjtp | Feb 26, 2020 | CodeIgniter | 0 comments. The helper file contains some predefined functions that are used to work with URL, such as generate the current file path, transfer control, redirect, create a link, etc.

Can you extend native libraries in CodeIgniter?

As an added bonus, CodeIgniter permits your libraries to extend native classes if you simply need to add some functionality to an existing library. Or you can even replace native libraries just by placing identically named versions in your application/libraries directory.

What are routes in CodeIgniter?

What are CodeIgniter Routes? Routes are responsible for responding to URL requests. Routing matches the URL to the pre-defined routes. If no route match is found then, CodeIgniter throws a page not found an exception. Routes in CodeIgniter are defined using the below formula: example.com/Controller/Method/Parameter/

What is a helper library?

A client library, sometimes called a helper library, is a set of code that application developers can add to their development projects. It provides chunks of code that do the basic things an application needs to do in order to interact with the API.

How do I call CI helper function?

To use helper files, you need to load it. Once loaded it is globally available to your controller and views. They are located at two places in CodeIgniter. CodeIgniter will look first for a helper in application/helpers folder and if not found there then it will go to system/helpers folder.

What is hooks in CodeIgniter?

In CodeIgniter, hooks are events which can be called before and after the execution of a program. It allows executing a script with specific path in the CodeIgniter execution process without modifying the core files. Using hook will save your time in writing code multiple times.

How do you use a helper?

CodeIgniter Helper

1. To use helper files, you need to load it.
2. To load URL helper,
3. You can also auto-load a helper if your application needs that helper globally by adding the helper in application/config/autoload.
4. Go to autoload.php file via application/config/autoload.php.

The library is a class with functions or methods that allows creating an instance of that class. It is an important feature in CodeIgniter to increase the development speed of an application. Libraries are located in the system/libraries/directory.

What is the difference between a library and a helper?

Libraries are located under system/libraries. CodeIgniter offers you the freedom to create, extend or replace libraries. Unlike helpers, libraries are not files that contain PHP functions. Libraries are Classes. therefore you need to make an instance of the class ( $this->load->library ()) to use it.

What are the different types of helper in CodeIgniter?

There are various types of helper available in CodeIgniter. Array Helper consists of functions required to perform operations on arrays. Cookie Helper contains functions necessary to work with cookies. Directory helper has functions to work with directories, and File helper allows accessing files.

What is a helper file in Python?

Helper is a file with a set of functions in a particular category. These helpers are not written in Object Oriented format. Instead, they are simple procedural functions. Moreover, a helper does not depend on other functions, and it only performs one specific task. To use a helper, it is necessary to load it.