This plugin was developed by Joe Dolson. He is a freelance web developer and accessibility consultant. www.joedolson.com is his personal website and you will be able to find more information about the plugins created by him. Recently I had the chance to get an interview from him about his plugin and what he thinks about WordPress Development. I hope you will have something to learn from his interview.

Aspect Oriented Programming also known as AOP allows you to separate your cross cutting concerns from core business logic and allows you to focus on business logic related tasks. All the additional repeating functionality can be assigned to the AOP framework and it will automatically do the repetitive tasks at specified points at the function flow.

In this article I am going to provide you the necessary resources for learning aspect oriented programming from scratch. Article will be mainly focused on PHP and Java related resources will be provided later.

Article Contents

• Aspect Oriented Programming with Codeigniter
• Advanced AOP Articles for PHP
• Advanced AOP Articles for Java

Contact page acts as the bridge that connects website owner to the users. Having a simple and effective contact form will help you improve the website as a site owner. WordPress plugin directory provides number of plugins for creating contact forms. Contact Form 7 created by Takayuki Miyoshi has become the standout plugin amongst them.

Article Contents

• Features of Contact Form 7
• How to Create Contact Forms
• Interview with Author

In Mysql there are lot of built in functions which can be used to easily manipulate mysql results. But we tend to write lot of queries and code to do those tasks due to lesser knowledge in those built in functions. In this post I am going to explain a mysql function which needs to be used in lot of practical situations. Lets start learning Found_Rows function..

Tutorial Contents

• How To Use Found_Rows Function
• Code Explanation
• Practical Usage

Jquery find function allows you to search for elements inside a given container. You can combine the powerfull functionality of jquery find with some other functions and do some amazing client side manipulations without connecting to the server side. Throughout this tutorial I'll show you practical examples of using jquery find in real world web applications..

Tutorial Contents

• 1. Assign Background Colors To Table Rows Using Jquery Find
• 2. Search Table Values and Highlight On Specified Condition
• 3. Create Hovering Menu Form Unordered Lists

Adding videos is a great way of increasing popularity of your blog posts. Normally users like to see posts with images and videos more than just text posts. So wordpress provides the option to upload videos to your posts directly though post editor or media library. But uploading all the videos to your site will icrease the server space used. In order to prevent that we can upload our videos to popular video servers and embed the videos in our posts.I found a wordpess plugin which lets you embedding your videos very easily using wordpress shortcodes. It supports almost 65 video servers.

Tutorial Contents

• Embedding Youtube Videos
• Embedding Youtube Playlists
• Embedding Dailymotion Videos
• More Video Embedding Options

In this post I'll explain each component in wordpress blog post creation area . Creating a wordpress post is simple as filling 2 fields and hitting on the Publish button. But it is necessary to know all the components of post creation if you want to master wordpress. I'll provide basic details of each component and this post will be updated in future according to the new changes made by wordpress..

Google web fonts directory provides hundreds of different styles of fonts to use in your projects. Highlighting important content with different fonts allow users and search engines to scan your content very quickly. Lets learn how we can simply use google fonts style our content using jquery plugins.

Tutorial Contents

• How To Inlcude Google Fonts
• Jquery Plugin with Inline CSS Styles for Google Fonts
• Jquery Plugin with Common CSS Styles for Google Fonts

There are large number of websites available for free and premium wordpress themes. You will get lot of additional functionality to enhance your website with premium themes. Also you can buy these themes for a price low as 20$-40$. In this post I am going to tell you about my checklist on selecting a premium theme for purchase. I hope this will help you to buy a theme for your next wordpress project or your own site..

Tutorial Contents

• Compatible with WordPress Template Development Guidelines
• Availability of a Demo Site
• Browser and WordPress Version Compatibility
• Sidebar Widgets Support
• Shortcode Support
• Custom Page Templates
• Post Thumbnails
• Custom Menu Support
• Comments and Trackbacks Design
• Theme Options Page

This tutorial will be a useful resource for wordpress blog owners to select their dream themes for the professional blogs or web sites. Step by step guide on installing, activating and working with themes inside admin dashboard is discussed.

Tutorial Contents

• What is a theme in wordpress
• Working with admin dashboard themes section
• Installing wordpress themes
• How to find your dream theme

This tutorial will direct you on a step by step guide to downloading and installing wordpress. All the required information with screenshots are provided in this tutorial. Once you complete this tutorial you will be able to properly set up a wordpress blog on your own.

I have been using wordpress as my blog platform for almost 2 years now. It is the best blog platform and cms I have worked with compared to drupal and joomla. Its easy to set up and work with. But some users find it difficult to work with some areas in wordpress..

Tutorial Contents

• Mastering Wordpress Web Application Development

My previous article "Mastering Jquery Form Validation Using Practical Examples" became the most popular tutorial on innovativephp. So I thought I could write a tutorial to improve the form validation and enable reuse of code using a jquery plugin. In this tutorial I'll explain the advantage of using a validation pluign and how to create a plugin from scratch.

Tutorial Contents

• Define the Plugin Structure
• Define Validation Rule Passing Structure
• How To Display Validation Errors
• Initializing Form Validation
• Adding Reusable Validation Functions
• How To Use the Validation Plugin

Flex Video Display control allows you to play videos in a flash player. It is an easy way of embedding a video in your web site compared to uploading and embedding a video on youtube like video streaming servers. In this step by step guide I’ll show you to use various functionalities available in Flex Video Display control. I am going to use flex 4 with Flash Builder in this tutorial. You can download trial version of Flash Builder here or use Flex 4 SDK with Eclipse..

Tutorial Contents

• Creating a Video Display with Flex4
• Preventing Autoplay In Video Display
• Playing the Video Using a Button Control
• Playing and Pausing Video
• Seek Forward and Backward

If anyone wants to become a wordpress expert he should definitely have the knowledge to develop a wordpress theme. Theme is what the end user sees when they visit your web site. Without a good and professional theme, your knowledge on plugins,posts, and wordpress core will not be much of a use. Developing a wordpress theme is not that difficult even for a highly technical web developer who does not have much knowledge on designing. In this tutorial series i am going to explain the necessary functions to develop a wordpress theme using IPress as example.

Tutorial Contents

• Introduction Wordpress Theme Development
• What Will You Get By Developing a Wordpress Theme
• Wordpress Theme Development Cheet Sheet Episodes
• How To Make Use of Time Spent On This Post Series

Jquery UI Library provides a event called resizable which enables html elements to be resized within the document. Resizable can be considered as a sub event of dragging. You can hold the resize handlers and drag within the specified area to increase or decrease the size of the DOM element. This functionality is useful in providing some interactive and advanced user controlles which enhances the user interactivity.

Tutorial Contents

• Introduction To Element Resize With Jquery
• Enable and Disable Resize To Show More Content
• Displaying More Content On Resize
• Disable Resize After Displaying Full Content
• Remove Jquery Resizable Handlers On Complete
• Creating Resizable Value Sliders

In this tutorial I am going to show you how to master the form validation techniques of web applications using jquery library. All the practical examples of form validation and form handling is explained in easily understandable method using practical demonstrations.

Tutorial Contents

• Types of Form Validation
• Submit and Validate Forms in Jquery
• Validating Form Input Controls
• Handling Error Messages on Form Submit
• Highlighting Form Fields
• Using Button as a Submit Button
• Using Image as a Submit Button
• Email Validation Using Jquery
• Textbox Length Validation
• Textarea Length Validation

Recently my friends were working on a Facebook Application using codeigniter php framework and they had some issues in handling facebook urls with codeigniter. Cogeigniter was configured to handle URL’s by setting uri_protocol paremeter to ‘AUTO‘ in the config file, which is the default value. In facebook applications , our application loads inside an iframe. When facebook changes its application URL, our application also got the facebook query string. Take a look at the following code..

Tutorial Contents

• Resolving URL Issues using URI Protocol and Query Strings
• Resolving URL Issues using Modified Request URI

This post contains the necessary instructions to use IBlocks effectively without facing any issues. I will be updating this page when users fing issues, mentioning how to fix them.

In this tutorial I am going to show you how to use IBLOCKS plugin to create minimal and clean unordered lists for your blog posts . In this example I'll provide column based unordered lists and full width unordered lists with stylish images.

Tutorial Contents

• Creating Minimal Unordered Lists
• Defining Items of Minimal Unordered Lists
• Examples for using Minimal Unordered Lists

In this tutorial I am going to show you how to use IBLOCKS plugin to create text blog headers as part of "Simple Blog Header Designs Using Wordpress Shortcodes" post series. In this example I'll provide normal bold text headers and underlined text headers.

Tutorial Contents

• Creating Simple Text Headers - Bold Headers
• Examples for using Bold Headers
• Creating Simple Text Headers - Underlined Headers
• Examples for using Underlined Headers
• Creating Simple Text Headers - Underlined Bar Headers
• Examples for using Underlined Bar Headers

This post shows you the need of concatenating rows Into single column using real world example. Consider a situation where users place orders on items in a shop. So inorder to store the required details we need 3 tables user,orders and order_items as shown in the tables below..

Tutorial Contents

• Practical Situation Which Requires Concatenate Rows Into Single Column
• How To Use SQL Group Concat Function

Average time on a page is an important metric to track the top content where your users stays on for a long time. Increasing the time spent on landing pages will increase the chance of users buying your services or products. So in this tutorial I am going to show you how to simply calculate time on a page using jquery ready and unload functions.

Tutorial Contents

• What is average time on page
• Calculating the time on page
• Things to consider in using window unload function

In this tutorial I am going to show you how to create box type blog headers as part of "Simple Blog Header Designs Using Wordpress Shortcodes" post series. In this example the headers are surrounded with a box with background color and a border.

Tutorial Contents

• Inserting Shortcodes to functions.php file
• Syntax of Box Headers
• Creating Box Headers Default Version
• Creating Custom Styled Box Headers

Feature boxes are used in web sites to show the features of a specific products or service in a user interactive way. Normally the feature is displayed with a image that shows the meaning of the feature, title and a small description. So i have created a built in short code for displaying feature boxes on your wordpress blog without needing any design knowledge.

Tutorial Contents

• Defining the shortcode functions
• Displaying Feature Boxes with Shortcodes
• Parameters of Feature Boxes
• Customizing Feature Boxes Using Style Parameters

This tutorials shows you how to validate paypal payment data to avoid the security risks in payments. Paypal provides a uniques identifier called pdt token for every payment. I have explained how to use thie PDT token with PHP curl library to validate the payment details throughout this tutorial.

Tutorial Contents

• Introduction To Paypal Payment Data Transfer
• Extracting Paypal Payment Data From URL
• Validating Payment Data Using PHP CURL Library

This tutorial shows you the flow of paypal payments using the buy now buttons. You will learn the necessary requirements for integrating paypal throughout this tutorial.

Tutorial Contents

• Creating a Paypal Buy Now Button
• Making a Payment With Paypal Buy Now Buttons

Paypal Sandbox contains a section called Website Payment Preferences which can be used to set up configuration settings needed for payments according to your application. This is important from developers perspective since these details should be set up correctly inorder to capture payment data correctly..

Tutorial Contents

• Logging Into Paypal Sandbox Business Account
• Paypal Sandbox Selling Preferences
• Configure Settings For Website Payment Preferences

Paypal sandbox is a system developed to test the paypal payments before you go into live integration. In sandbox you can create paypal test accounts for buyers and sellers to test your system. Sandbox works same as the paypal real accounts using dummy credit cards and bank accounts. Actually no real payments are made inside the sandbox. There are some proceses in sanbox which is dslightly diffrent from way it works in real account. Before we go detail in to that let's start creating and configuring sandbox test accounts to integrate paypal to our application..

Tutorial Contents

• Creating Paypal Sandbox Test Accounts
• Creating Paypal Sandbox Buyer Accounts
• Creating Paypal Sandbox API Credentials

When we get a web page or post which is very long due to the size of the content we need to use the scrollbar to see the content on the bottom. Once we read out the page in order to get to the top menu we need to scroll up again. In users perspective this is a very boring task. So if we can provide a method to go back to the top without scrolling , it will enhance the user's experience in using the site. So I am going to create a simple button to achieve this task..

Tutorial Contents

• Why We Need a Back To Top Button
• Demo and Source Code Download
• Creating the Back To Top Button Using Jquery and CSS
• Code Explanations

Codeigniter download helper is a single function helper which allows you to download files directly to your computer. This helper contains a fuction called force_download which will download any type of file.

• About Download Helper
• Using Codeigniter Download Helper
• Fixing Image Download Issues In Codeigniter Download Helper
• Alternative Method For Downloading Files

In this tutorial I am going to explain how to create a online image rotator which can be used to rotate online images using the url of the image. PHP GD image library provides a function called imagerotate which can be used to rotate image on any given angle. Before we start let's take a look at the syntax of the image rotation function is given below.

Tutorial Contents

• Introduction To Image Rotation Using PHP GD Library
• Online Image Rotator Demo and Download
• Creating Online Image Rotator
• Code Explanations

When we develop web sites and web applications we can use single domain or we can use different domains or sub domains depending on the requirements. Normally web site and web application will be hosted on different sub domains for reasons such as security,performance and server load.

Tutorial Contents

• Introduction to Sharing Cookies in Multiple Domains
• Setting and Getting Cookies Using PHP
• Examples for Using Cookies Correctly

Pagination lets you divide your databse results to small chunks.Without pagination we will have to get all the resullts and display in a single page . It takes lot of load time and also page scroll gets very long.

Tutorial Contents

• Introduction to PHP Pagination
• Pagination library demo
• Creating the Pagination library from scratch
• How to use the library
• Complete source code

In this post i am going to explain how to convert all the values of a php array into uppercase. This is important if your arrays are used in a case sensitive matching or validation. This can be achieved using 2 methods as shown below.

Tutorial Contents

• Converting Array Values To Uppercase
• Method 1 - Looping through the array and converting to uppercase
• Method 2 - Using php array_map function

This code snippet will explain you how to validate a select box (drop down box) using Codeigniter. Create a dropdown box in the view file and add a default option. Set the value of default option (Example 0 ). Then add a new rule called selected to validation library and use the rule inside your controllers to validate the select box. All the source codes and instructions are given below.

Tutorial Contents

• Introduction To Liquid CSS Layout Design
• View File Code
• Controller Class Code
• Validation Library Code
• Validation Language Code
• Source Code

Web design layouts can be created according to various techniques. Most commonly used techniques is designing the page inside fixed container which is aligned center in the browser window. But now the liquid css layouts are becoming more popular in the web designing world. When you create a liquid layout the width and heights of html elements inside the page will change according to the size of the browser window.

Tutorial Contents

• Introduction To Liquid CSS Layout Design
• Liquid Layout Demo and Download
• How To Make Liquid CSS Layout
• Basic Introduction To Required Styling Concepts
• Creating Liquid Layout From Scratch
• Advantages of Liquid CSS Layout
• Disadvantages of Liquid CSS Layout

Codeigniter allows to specify custom routing using the config section to customize the url patterns according to your application requirements. This article provides various questions and examples regarding codeigniter routing techniques.

Tutorial Contents

• Introduction To Codeigniter URL Routing
• Codeigniter Routes Common Examples
• Whats Next ?

RSS is a format which allows to publish your frequently updated content in your site. As its name suggests Really Simple Syndication means that all the users who have subscribed to your rss feed will get updates about the latest news,posts,articles of the site instantly. Since blogging sites updates content frequently wordpress cms provides different kind of built in rss feeds.

Tutorial Contents

• Introduction To Wordpress RSS Feed
• Customizing Wordpress RSS Feed Contents
• Whats Next ?

Word Cloud is a technique where we analyze a string to find words inside the string and the number of appearances of the word. Word Cloud displays words in different styles according to the word density in the string. Common format is that words with most number of occurrences are displayed with a higher font size and words with least number of occurrences is displayed with small font size.

Tutorial Contents

• Introduction To Word Cloud
• Google Visualization API Word Cloud
• Extending Word Cloud Widget Using Jquery and PHP

Page Content Sliders are a widely used component in modern web development. Basically a slider provides the functionality used in a presentation.The content is divided into slide components as in presentaions and the slider automatically changes the content using a sliding animation effect in specific time intervals. Also users can stop the automatic changing and manually switch through the slides using slider navigation bar.

Tutorial Contents

• Introduction To Jquery Page Content Slider
• Innovative Slider Switcher
• Planning the Slide Switcher
• Developing the Slide Switcher

Changing the visibility of elements is very usefull when you display large amount of content using tabs,accordians,sliders..etc. In this tutorial i am going to show you how to change the visibility of div element using css and jquery. You can apply these techniques to most of the html containers available.

Tutorial Contents

• How to Make a Div Invisible
• Creating a Invisible Div using Jquery
• Invisible Div Download