PHP: Convert An Array To JSON

Sometimes, when programming in PHP, you’ll need to convert an array to JSON. This enables you e.g. to retrieve data serverside through PHP and pass it to the client, which then can process this data with javascript. There are different ways to do that, e.g. via AJAX.
In this article I’ll show you, how easy it is to convert a PHP array into a JSON String.

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JavaScript: Get A Random Item From An Array

In one of my previous posts I’ve shown you how to get a random item from an array in PHP. Well, there is, of course, a way to do this in JavaScript as well. And it’s also very easy. Just declare someting like this:

<script>
var allItems = ['A', 'B', 'C', 1, 2, 3, 4, 5];
</script>

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How To Load A Default Image In HTML, If Image Is Not Found

When creating HTML pages, it can always happen, that you include images into a page that can not be displayed. There are several reasons for this, for example when there is a typo in the source code or the image file has been moved or deleted. In this case, using the JavaScript event handler onerror … Read moreHow To Load A Default Image In HTML, If Image Is Not Found

How To Alter Background Colours Of HTML Table Rows With jQuery

If you have long lists of data displayed as tables, it may be a bit confusing to read a line across its columns. But there is an easy way to make your tables more readable. Just alter the background-colour of your list line-by-line. In this post I’ll show you how to do this by using … Read moreHow To Alter Background Colours Of HTML Table Rows With jQuery