Collection Of Codeigniter Zip Applications – In this tutorial, we’ll go through the setup process and major development tasks of building a Codeigniter 4 app from scratch. CodeIgniter is a PHP application development framework with a small footprint and excellent documentation. However, it is simple and flexible enough to let you choose how you work. It provides easy configuration and useful tools for common development tasks.
), which allows greater separation between data, business logic and presentation. Its flexibility allows you to use Codeigniter to use a RESTful API or a WebSocket server interface. For Laravel users, it provides a similar approach to toolkit s
Collection Of Codeigniter Zip Applications
In Laravel). Additional libraries such as Blade templates can be easily installed. Supports routing, request filtering (CSRF, authentication, rate limiting)
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MVC is a software architecture pattern for applications that divides the programming into three parts with different goals and defined interactions:
Build the Codeigniter 4 program using the manual method (downloading the PHP code package and extracting the content) or using PHP
Resources. In any case, sooner or later you will use Composer to install other components, so another version of Composer is recommended to ensure an up-to-date project code base.
To run the web service, use the PHP spark command line tool and run it from the project root:
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” at the bottom of the screen. It can be collapsed by clicking the x icon button. However, this toolbar is enabled only when the .env
First we will interact with our database and create tables and related data. When creating a Codeigniter 4 app, we need to create 3 main things:
We create migrations to create and modify database tables. Basically they work as individual work units in their order (alphabetically by file name) and can be reversed by the same definition. The following examples show how migration works.
The table. Then the next step is to populate the table with some user examples. To create a new resource, use the command
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You can see which passwords are saved using the MD5 hash function to prevent passwords from being stored in plain text. There are other ways to add security to your password store. Example: using salt (other random data).
Sometimes you will need to use the same functionality for all models. If you’re building a Codeigniter 4 app, it’s best to put these common methods in
Now we can create a model relational class that will allow the application controller to request or set data. Running
We will create a Controller to process web requests. As you can see, Codeigniter 4 is already created
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To enable the use of common controller methods and attributes for your application. Additionally, we need to create routes to map the web URL to controller methods.
Add routes to controller methods. Only one fixed route has been announced. It is the default path to the site’s root”
At this point we usually need help from other libraries to provide, render and return content. Helpers are a special type of library that contains specific functions used to build a Codeigniter 4 program. They can be easily loaded at runtime by calling:
When we build a Codeigniter 4 application, we create a view to display information from controllers. Our views are php files stored in them
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. This way we can group views from the same controller into a single folder and use common names for each item.
Way. For all other controller methods, we will use the same view name to do the same. This is a simple example of a view with a header and a data table
In general, we try to keep a consistent visual design of the web application in all our views: the same header, menus and footer, with minor differences in the current state (eg: different headers and menus). To make this work without repeating the same page layout on each view (like the user’s previous view), we use a common page layout.
A page structure can contain the complete HTML page structure (with header and body) and sections to be filled with content, as well as any globally shared values to be applied to the structure’s content. This is an example of a basic structure using the same structure we used earlier
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, but now we don’t need to render the entire layout of the page in our view, only the content. We may also change it at some point, we may need to create and download a zip file to the codeigniter project 3. In this tutorial, I will show you how to create a zip file in codeigniter using the zip library.
Whenever we have a lot of files and we need to download them to the user when he clicks the submit button, so we never give the files to be downloaded one by one because the files are small in size and it may take some time to download one by one. . But if you create a zip file and put all the files in it, the download can be very fast and the user does not have to wait for a long time. So in this example I will tell you how to create a downloadable zip file in codeigniter.
Here we just create a method to download the zip file using “ZipController”. I am writing code to create zip file and download code in index(). So be aware of these two things.
In this step, we need to add a method to download the zip file after creation. so open the routes.php file and add the code like below:
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Here we need to create a ZipController using the index() method. I am writing code to create zip file and download code in index(). Let’s create it.
Enabling Zlib also breaks PHPExcel by creating concatenated characters in Excel files as you can see in this image.
You haven’t specified all the details of your script, but you start to specify a “zip file” and refer to an “archive”. However, the little code you posted sends the content type header of the excel file. If you send the zip file to the browser but tell the browser that its MIME type is application/vnd.ms-excel, that could be your problem.
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Have you considered using the force_download function? This driver works for me whether it’s an excel file or a zip file:
The force_download function has built-in code to find the correct mime type based on the file extension. Depending on your version of Codeigniter, you may need to specify the third parameter as TRUE.
I reproduced the “twisted characters” problem you describe by setting the mime type app/vnd.ms-excel but sending the zip file. In contrast, I have successfully downloaded both ZIP and XLS files using only the force_download function.
EDIT After seeing some code I’d like to suggest you rework your brain around line 229 as it’s weird to check
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As a program before allocating the array. Depending on your environment and error reporting settings, this may trigger E_NOTICE or E_WARNING to cause additional output before extracting the contents of the zip file. If your code ends up extracting garbage before it starts extracting the actual binary data of your zip archive, the file will be corrupted. Another possibility is that referencing an undefined variable will cause an E_NOTICE error to be output to stdout, which will cause all subsequent header commands to fail, since you won’t be able to send header commands once you start outputting the script.
Another possibility is the wrong mime type. Your version of Codeigniter is quite old, but I think that won’t be a problem. If you can, try checking the response headers sent in the browser to see if they are application/x-gzip or application/zip or something else.
If you have used the Codeigniter framework it is very easy for you to create a Zip file. Because Codeigniter has a built-in Zip library. This section will be used to generate the Zip
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