CSV (Comma Separated Values ) is the most popular file format for data import and export within the project.
In PHP for creating CSV file, you can either use fputcsv() method or directly write the comma-separated content on the file.
In this tutorial, I will show you how you can export MySQL data in CSV file format in your CodeIgniter 3 project.
You normally store the user-selected files in a specific directory but the same directory is also used by all other users.
If you are allowing to upload multiple types of files like – images, videos, doc, etc then it becomes a mess.
To avoid this you can create separate directories to store files in an organized way.
But for storing it in a more organized way you can dynamically create directories for each user for storing their files. This makes traversing to file easier.
Sometimes it requires to quickly create a clone of the MySQL database while working on the project either for the backup purpose, using it on a copy of the project, or moving the project.
With phpMyAdmin, this process is easier.
In this tutorial, I am assuming that you already have a cPanel enabled web hosting server.
Dynamically dependent dropdown commonly seen in the country, state, and city selection on the webpage. The data on the child element changes according to the value of the parent element.
The process follows the same way if there are more than 2 dropdown elements.
To do this you can either use only PHP or jQuery AJAX.
In this tutorial, I am using jQuery AJAX to make dynamic dependent dropdown in CodeIgniter.
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