Here I am going to show you how to build REST web services in PHP based Codeigniter 4 framework. CodeIgniter 4 is the upcoming version of the framework and it is still under development, intended for use with PHP 7.2 or higher version. REST is an acronym that stands for Representational State Transfer (RESTful), which is an architectural style for distributed applications. PHP based CodeIgniter framework enables developers to develop the projects much faster, it provides the core part that can easily be extended or replaced completely to make the…
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Google column chart using Codeigniter
We know that Google chart basically displays different statistical data on different chart types such as column chart, bar chart, line chart, pie chart etc. You can have a look at the URL https://developers.google.com/chart/ for more information. In my previous tutorial https://roytuts.com/google-chart-using-codeigniter/ the year value was always showing as 2k for 2010, 2011, 2012 etc. Now I have updated the code a little bit so that it will show the exact year on horizontal axis. You can integrate Google chart with any server side technology but here I will show you…
ContinueCodeigniter Join Example
Introduction In this tutorial I will show you CodeIgniter join example. I will use CodeIgniter’s Query Builder Class to build join queries for fetching data from multiple tables. The SQL Join clause is used to combine records together from two or more tables in a database. A Join locates related column values in two or more tables. This will display all the records that have matched.
ContinuePrevent SQL Injection in Codeigniter
Introduction This tutorial will show you how to prevent SQL injection in Codeigniter application. It is very important to escape the variable you pass to the database query because, in web application security, SQL injections play an important role. SQL injection is: a malicious code injection technique that may destroy your database. one of the most common web hacking techniques. the placement of malicious code in SQL statements, via input fields in web page. You usually use mysql_real_escape_string() function to prevent SQL injections, but you do not need to use…
ContinueFile upload example in Codeigniter 2.1.4
File upload example in Codeigniter 2.1.4. There is file upload class, in codeigniter, which permits you to upload the file or files. This class also permits you to set various preferences such as destination where the file will be uploaded, restrition on file types, restriction on file size, whether a file name should be encrypted or not, maximum length of the file name etc. Below are the simple few processes for uploading a file A form with input type file is required so that user can select the file using…
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