URI segment in Codeigniter4
We can fetch parts of the url in Codeigniter4 using the getSegments() function. This is similar to CI3 call $this->uri->segment function but with a slight …
Author: DVXLab
Cookie helper in Codeigniter4
CI4 has a helper for cookies management which contains some functions to implement the cookies. Let us see with an example. set_cookie function takes below …
Array elements Grouping and Sorting in Codeigniter4
CI4 provides in built array functions for grouping and sorting array elements to some extent. Lets us look at two functions here array_group_by and array_sort_by_multiple_keys …
Array Helpers Functions in Codeigniter 4
CI4 provides in built helpers for arrays. This helps us avoid writing most of the logic using the traditional for loops or while loops. In …
Webpage caching in Codeigniter 4
Caching techniques in Codeigniter 4
form_error method in Codeigniter4 ?
Where is form_error method in Codeigniter4 ?
How to write custom template for validation error messages in Codeigniter4
Codeigniter4 has provision for custom templates to modify the display html for validation error messages.Often we do not want to repeat the entire html on …
Write your own Codeigniter4 File Upload Class.
Codeigniter3 provides a File Uploading class functionality to upload and validate files with ease. This does not exist under Codeignter4.This posed a problem when migrating …
Create custom validation rule in Codeigniter4
CI4 provides different methods to validate form inputs. We will look at an example with a custom rule for validation, which will validate the an …
Form validations in Codeigniter4 with examples
Codeigniter4 provides an easy data validation class to validate different types of inputs.In the below example, we will use a form with username, email and …