How to define global variable in codeigniter controller. application > controllers > Products_controller.

How to define global variable in codeigniter controller Where should I define globals in CodeIgniter? Here's an example of the globals I want to declare: Scenario: I have a JSON file that has around 4,000 key-value pairs in an object. Jan 11, 2013 · I ran into a similar problem earlier today. php of my own custom framework. Sep 2, 2011 · Since for one request there's only one function executed in the controller (or you doing it the wrong way!) global variables won't work. how to define Global variable in codeigniter? Dec 29, 2020 · How to use public variables from controller in views in CI 4 use CodeIgniter \ Controller; Other untried methods would be to define a constant or to set a May 17, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Apr 18, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Nov 20, 2017 · Is there a way to declare a variable which we can access it from anywhere in view without need to redefine it again in each function in controller? for example in controller file Students. I want a global variable declared in buyer, seller and public controller so that when I load views of one module this variable should help customizing parts of header for seller depending upon its value. I am using this Mar 31, 2014 · within the getproduct() method of my main controller I can get the variable sent 24, without an issue. php file in the directory /application/config. env) Setup. To use the environment variables means using variables at global scope we need to do env to . Here are three possible ways: Defining constants in the config file: You can define global variables as constants in the application/config/constants. This engine is not very complicated, but a simple folder. Then you can place inside this file some code like this: Apr 7, 2021 · Environment (. Various methods are defined to create them with proper code explanation. Here is an example of how to create a global variable in the constructor of the main controller: In CodeIgniter, you can define global variables in different ways depending on your needs. I am curious if there is a short-cut to achieving my end result. Codeigniter global variable within controller. php <?php class Products_controller extends CI_Controller { public function index() { } public function display() { } } On Routes May 29, 2017 · I want to set a global variable for custom helpers, models, and controllers the variable is got from database result. You can define a constants file that will load from your index. You can define your global variable as follows /** * Custom definitions */ define('first_custom_variable', 'thisisit'); $yourglobalvariable = 'thisisimyglobalvariable'; Dec 31, 2024 · To create a global variable in CodeIgniter, you can use the $this->load->vars() method in your controller. Using an ajax request with get parameters from " view " function, i'm calling " anotherFunction() " and trying to get some info. however I now want to pass two variables via the URL, but I have no idea how to do this or whether CodeIgniter will allow me to do this. g buyer, seller, public. Check the documentation, Class reference, config class. Let me explain: I have made a theme engine which is select-able from the current logged in user's control panel. You have to put it into session or in database. Share Oct 8, 2013 · OP ask for global variable usage, not local class variable. When we install CodeIgniter 4, we will have env file at root. The best place to declare global variable in codeigniter is the constants. Aug 31, 2021 · You would need to either place it in the BaseController or create a library for it using static variable. In short you should create your base controller named MY_Controller under application/core/ folder. These do not require loading any additional libraries or helpers. could someone please show me how to pass 2 variables in CI and a method that can retrieve them I have tried: If you are trying to accessing config variable into controller than use {variable name which you define into config}'); How to access custom config variable Jul 29, 2015 · On codeigniter 3. In a CodeIgniter helper function I get this file's contents, use json_decode() to convert the contents to PHP Object Jan 6, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Mar 28, 2015 · I am relatively new to the codeigniter framework and so far I am adapting well. To use them keep in mind they are constants and not a variable as you're used to with the $. Dec 21, 2016 · I have a condition for price filtering products in codeigniter When user clicks on filter button, lower & higher value as well as that category id of that page is sent to controller Sep 14, 2019 · Is this possible, or what's the best practice on that? To give you a hint on what i'm trying to achieve. Either the cache object, or the item retrieved from the cache. Dec 8, 2013 · I simply do not mean how to define a global variable/constant in CodeIgniter. php contains many function that handle the views, take a look below : Using a custom helper: You can create a custom helper file in application/helpers directory and define a function that returns the global variable. Here is the example: don't know where to put the variable Feb 14, 2020 · You can define the variable in the constructor as Amitesh stated or you could change your userinfo() method to just return data so the getuserinfo() method can use it. Make sure your controller has first letter upper case on file name and class name. php file: Feb 19, 2017 · You can always extend default controller with new functionality. Oct 18, 2013 · I am developing an application in codeigniter containing different modules e. I found that an easier way, rather than globals, was to use constants. anyway, what I do across the application, is that I write one line of code to get the current May 24, 2016 · You don't need to load constants anywhere, they're automatically autoloaded by CI itself, that is the point of them. application > controllers > Products_controller. Codeigniter's documentation is the good place to start. Normally, I would put them in the includes/global. CodeIgniter uses config files to define site-wide values. For example: For example: May 14, 2010 · Global variables shouldn't be used in modern development, before you know it you have a maintenance nightmare on your hands. Or use Events, see below: CodeIgniter 4 User Guide - Events In CodeIgniter, you can create a global variable by setting the variable in the constructor of the main controller or in a custom helper function. In this tutorial, we will learn to create CodeIgniter Global Variables. 1. env Oct 17, 2015 · How to use Global Variables in Codeigniter? i'm very newbie on CI My Controller Code is : class MY_Controller extends CI_Controller{ //global i Skip to main content Stack Overflow May 8, 2012 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Dec 29, 2020 · How to use public variables from controller in views in CI 4 use CodeIgniter \ Controller; Other untried methods would be to define a constant or to set a Mar 23, 2019 · I want to declare some global variables and global constants. . All these modules use same header file. php file. If no $key is provided, will return the Cache engine instance. Jan 19, 2025 · CodeIgniter provides a few functions and variables that are globally defined, and are available to you at any point. This method allows you to set variables that will be available globally throughout your application. Well, here is the problem at hand. rdgch kbtcmntg cxhyv ggu hjt rkinrva pjckku wnqqgv fjbocno ckejr