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Avoiding Simple Errors On this post, we will have a look at two kinds of PHP errors, and learn how we can save time using RadPHP to avoid them. Syntax Errors Syntax errors are the most fundamental errors, those produced by a PHP code that cannot be understood by the PHP interpreter, which reports them as “Parse error”.  Common examples of syntax errors are a missing semi-colon at the end of a line of code, not escaping quotes inside a string, forgetting to write an initial or final parenthesis… To avoid these error...

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Where It Was, Part Four This article is a follow up of Where It Was, Part Three. In the previous post, we made it possible to open places on an individual page, and to delete them. It is time now to add the only missing feature for our application: geolocation. We will store the geolocation data of the mobile device when a place is added to the list on the main page, and show it on a map on the individual page of each place. Database Structure First thing we need to change is the database structure. Currently, it co...

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Where It Was, Part Three This article is a follow up of Where It Was, Part Two. In the last post, we got our application to keep a database of places, and made it possible to add new places to the list. Now we will make it possible to open places on a second page, and to delete them from there. Second Page Design Currently, our database is only storing two fields for each place: an identifier, just for logical purposes, and a name, which is the way users can identify the different places on the list. But we plan to a...

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Where It Was, Part Two This article is a follow up of Where It Was, Part One. In the previous post, we got a basic user interface to work on. Now it is time to make it actually do something. We will get the “Remember” button to add whatever we write on the MEdit field to the MList, and the list should persist between sessions, that is, it should be still there when user closes and reopens our application. JavaScript In this part of the tutorial, we are going to use some RadPHP mobile components, but we will also st...

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Where It Was, Part One In this tutorial, we are going to develop a simple mobile application from scratch using RadPHP. An Idea Is Born I am new in the city, I’ve just moved, and everything is new to me. I don’t know where things are, and most times I just follow my workmates to wherever they go for lunch. The other day I found a great place to order home-made food, but I was in a hurry so I just got the name. Now I can’t remember it, or where the place was. So I decided I would need an application for my p...

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