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In this lesson, we will cover events in jQuery. We will also get acquainted with the animate() method, which allows us to create animations. Using events and animate(), we’ll build an animated contact form.

In this video, we’ll learn how to use jQuery to create an online calculator. We’ll also connect the Sexy Uniform plugin to make our buttons look stylish.

In this lesson, we’ll look at how to create a simple photo gallery using jQuery.

You've probably seen a search field with the word "Search" in it, which disappears when clicked so you can type your query. Below is a jQuery snippet for that functionality:

File code

/sites/all/modules/custom/custom.info

name = custom
description = custom module
core = 7.x

/sites/all/modules/custom/custom.module

CSS code:

#tabs {
  border: 0px;
}

.ui-tabs-nav {
  background: none;
  border: none;
}

HTML code in node-product.tpl.php:

Why Create Yet Another PHP Tutorial?

I haven't yet come across a truly simple and gradual tutorial for complete beginners that explains PHP from the very basics. Most tutorials assume you already know what a function, recursion, variable, or data type is—as if everyone has C++, Pascal, or Basic ingrained in their memory.

In this part of the PHP tutorial we will go over the basics of the PHP language from the very beginning. As you learn more and more about PHP, the examples will become more complex.

This lesson marks the real beginning of our PHP journey. Here, we’ll start executing PHP scripts and generating HTML pages using PHP code. Right from the first lesson—we’re diving in! I’ve intentionally named this one "Lesson 1" because I prefer action over lengthy introductions. If you’re curious about the history of programming languages or PHP itself, you can explore that later on your own.

PHP variables are used to store values such as strings, numbers, or arrays. Once a variable is declared, it can be reused throughout your script. All variables in PHP begin with the $ symbol.

Variables are one of the core concepts in programming. To understand programming, you must have a clear understanding of what a variable is, how and where it is stored, and what happens to it during code execution. A variable is a value that can change during program execution.

In the previous lesson, we discussed that PHP supports variables. In this lesson, we'll take a look at one type of variable — string variables.

String variables in PHP are used to store values that consist of characters. A PHP string can be saved in a variable. Below is a PHP script that assigns the text "Hello, World!" to the string variable $txt:

<?php
$txt = "Hello, World!";
echo $txt;
?>

The result of the code above: