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In this tutorial, we are going to look at how you can install and configure CodeIgniter. They are two ways of installation CodeIgniter. You can download the latest version from the CodeIgniter website, or you can use a tool like a composer to automate the installation
Jul 28, 2017 File and image upload in CodeIgniter powered app is a simple component that takes care of the upload process with little issues. This tutorial discusses the process of creating a CodeIgniter based file upload component that could be easily used t upload images and other files with ease.
File Uploading with CodeIgniter. CodeIgniter has documented the Uploading process very well, by using the File Uploading library. You could take a look at the sample code in the user guide; And also, in order to get a better understanding of the uploading configs, Check the Config items Explanation section at the end of the manual page. Also there are couple of articles/samples about the. Feb 26, 2012 sourceimage: Sets the source image name/path. The path must be a relative or absolute server path, not a URL. Dynamicoutput: Determines whether the new image file should be written to disk or generated dynamically. Note: If you choose the dynamic setting, only one image can be shown at a time, and it can't be positioned on the page. How to remove index.php in CodeIgniter; Download and Install Latest CodeIgniter Framework. The source code for the CodeIgniter framework is available on the official CodeIgniter website. If you want to download the latest version of the framework, then you should do it from the official web page.
In this tutorial, you will learn:
Download and Install Latest CodeIgniter Framework
The source code for the CodeIgniter framework is available on the official CodeIgniter website. If you want to download the latest version of the framework, then you should do it from the official web page.
Step 1) Open the following URL in your browser https://codeigniter.com/
The image below shows the download link to the latest version of the framework
Step 2) Clicking the above link will download the framework as a zipped folder. Unzip the contents of CodeIgniter-3.1.10.zip
Step 3) Let's say you want to create a project called the online store. You can follow the following steps to start your project. Create a new directory in on your development drive, e.g, D:Sitesonline-store
Step 4) Open the contents of CodeIgniter-3.1.10, you should be able to see the following files
Copy the above contents to your project directory, e.g., D:Sitesonline-store
Step 5) Just to make sure everything is ok, open the terminal and start the built-in PHP server
Run the following command
load the following URL into your browser
If you see above image, all is working well,
What is Composer?
The composer is a package management system for PHP. A package is simply a collection of PHP scripts that work together towards a single goal. Based on this definition, CodeIgniter can even though it's a framework, qualifies to be labeled a package in composer terminologies.
The following image shows how the composer works
The author of CodeIgniter hosts the package at Packagist which is a central repository for PHP packages, etc.
When the developer runs the composer command to download CodeIgniter, Composer communicates with Packagist and downloads the latest release of the package. In addition to installing frameworks such as CodeIgniter, Composer can also be used to;
- Install individual packages such as third-party email or database library
- Update existing packages
- Remove installed packages
How to install Composer
Step 1) Load the following URL in your browser https://getcomposer.org/download/
Download the setup and follow the installation instructions.
Step 2) Open the command prompt/terminal
Run the following command
You will see the following results
If you can see the above results, then congratulations, you have successfully installed the composer.
Let's now create a new project called online-store
Run the following command
HERE,
- composer create-project CodeIgniter/framework online-store composer invokes the composer program, create-project downloads the specified project framework which is in the namespace CodeIgniter.
You should be able to see results that is similar to the following
How To Upload Image In Codeigniter Source Code Free Download Full
If you are a big fan of commands on the terminal then this is the way to go otherwise you can use the good old fashioned download the zipped file, unzip and happy coding.
CodeIgniter Config Files
Now that we have successfully installed CodeIgniter let's look at the configuration directory
The configuration directory is located in
HERE,
- autoload.php – specifies the helpers, libraries, drivers, packages, etc that should be loaded when the application starts
- config.php – contains application configurations such as base url, language, query strings, etc.
- constants.php – as the name suggets, this file I used to define application constants
- database.php – contains database connection parameters
- doctypes.php – defines document types i.e. html4, html5, sv10 etc
- foreign_chars.php – defines foreign characters that are to say characters that are found in languages such as Russian and others
- hooks.php – allows you to define your own hooks
- memcached.php – if you are using CodeIgniter together with Memcached then you can use this file for configurations.
- migration.php – if you want to use database migrations in CodeIgniter then you can use this file to config the settings.
- mimes.php – contains file mime types
- profile.php – contains settings that ae used by the built-in CodeIgniter compiler
- routes.php – contains the application routes
- smileys.php – contains settings for smileys
- user_agents.php – contains settings for browser user agents, i.e., Chrome, Opera, Firefox, etc.
CodeIgniter Configurations
How To Upload Image In Codeigniter Source Code Free Download Pc
let's now make some of the most common settings in CodeIgniter
Base URL
Sets the base URL. If its blank then CodeIgniter will set it for you automatically. If you want to be explicit about your base URL, then you can use the something like the following
HERE,
- $config['base_url'] = 'http://localhost:3000'; sets the base URL to localhost running on port 3000.
Class Prefix
![How To Upload Image In Codeigniter Source Code Free Download How To Upload Image In Codeigniter Source Code Free Download](/uploads/1/2/6/0/126069432/369949284.png)
CodeIgniter uses the prefix CI_Classname. As a best practice and to avoid collisions with internal classes, you can prefix your class, i.e., MY_Classname. The following line is used to set your class prefix
Query Strings
These are parameters that are visited in the URL, i.e., example.com/index.php?q=eggs. If you would like to use such URLs, then you will have to set
Other settings
They are many settings that you can set in config.php including date formats, cache and view paths, etc. much of what you configure depends on your application needs
How to remove index.php in CodeIgniter
CodeIgniter is an MVC framework. This means it has a single entry point into the application which is index.php. It doesn't matter what URL you access. The all go through index.php. by default, index.php is shown in the URL as shown in the example below
The URL looks longer and weird. The good thing is you can configure CodeIgniter to remove that.
Open application/config/config.php
They said, 'no' so thats end of that. Mcafee enter activation code.
Locate the following line
HERE,
- We are using mod_rewrite to remove the page so as per requirement, this should be set to blank.
Next, we need to create the .htaccess that rewrites the URLs
Add a new file .htacces in the root directory of the application
Add the following code
HERE,
- The above code is for configuring web servers that run apache server. The above code basically gets the URI parameters and executes them via index.php even if it's not showing in the browser URL.
Summary
- They are two ways of installation CodeIgniter. You can download the latest version from the CodeIgniter website, or you can use composer to automate the installation
- The composer is a package management system for PHP
- A composer can be used for: Install individual packages, Update existing packages remove installed packages
An advanced image resize/cropping controller that will resize your images on the fly from preset dimensions.
Installation
- Download the files from github and place the in their corresponding folder (or use spark).
- Make sure you are using the .htaccess mod_rewrite: http://codeigniter.com/wiki/mod_rewrite
- Rename the controller and the media folder to your liking. (must be the same name)
- Add a custom route to your config/routes.php file. This will redirect all 'non-existing-file' request to the media controller's resize method:
$route['media/(:any)'] = 'media/resize/$1';
- Optional: autoload the image_helper by adding it to $autoload['helper'] array in your config/autoload.php file.
Configuration
In your config/images.php file you need to specify what preset sizes you will be using for your images:
Each preset has a width and a height. If one of the dimensions are equal to 0, it will automatically calculate a matching width or height to maintain the original ratio. if you specify both dimensions it will automatically crop the resulting image so that it fits those dimensions.
Library
The resize and crop logic is grouped in a library that extends CodeIgniter's 'image_lib' and adds a 'fit' function. You can use this library to resize and crop an image to fit the specified dimensions like this:
The function will return TRUE on sucess or FALSE on failure. Error messages can be read like the normal library with the display_errors() method.
How To Upload Image In Codeigniter Source Code Free Download Torrent
When an image is cropped, the center axis is used by default. If you want to override this behaviour you can specify your own x_axis and y_axis.
Configuration options:
- image_library: Sets the image library to be used.
- library_path: Sets the server path to your ImageMagick or NetPBM library. If you use either of those libraries you must supply the path.
- source_image: Sets the source image name/path. The path must be a relative or absolute server path, not a URL.
- dynamic_output: Determines whether the new image file should be written to disk or generated dynamically. Note: If you choose the dynamic setting, only one image can be shown at a time, and it can't be positioned on the page. It simply outputs the raw image dynamically to your browser, along with image headers.
- quality: Sets the quality of the image. The higher the quality the larger the file size.
- new_image: Sets the destination image name/path. You'll use this preference when creating an image copy. The path must be a relative or absolute server path, not a URL.
- width: Sets the width you would like the image set to.
- height: Sets the height you would like the image set to.
- x_axis: Sets the X coordinate in pixels (after resizing) for image cropping. For example, a setting of 30 will crop an image 30 pixels from the left.
- y_axis: Sets the Y coordinate in pixels (after resizing) for image cropping. For example, a setting of 30 will crop an image 30 pixels from the top.
Usage
To resize and crop the images to the preset sizes you need to load the image_helper. This helper has a function image($path, $preset) that will translate a preset to a generated path that contains the dimensions for the controller or that will take you directly to the image if it has already been resized.
Use this helper in your view files like this:
![Code Code](/uploads/1/2/6/0/126069432/332960429.png)
This will eventually translate into:
The reason I add the dimensions to the original filename instead of the preset name is because when you would change the preset's dimensions, it would still load images with the old dimensions that were already generated instead of the new dimensions.