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From PHP to Ruby on Rails

From PHP to Ruby on Rails

By : Pineda
5 (6)
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From PHP to Ruby on Rails

From PHP to Ruby on Rails

5 (6)
By: Pineda

Overview of this book

Are you a PHP developer looking to take your first steps into the world of Ruby development? From PHP to Ruby on Rails will help you leverage your existing knowledge to gain expertise in Ruby on Rails. With a focus on bridging the gap between PHP and Ruby, this guide will help you develop the Ruby mindset, set up your local environment, grasp the syntax, master scripting, explore popular Ruby frameworks, and find out about libraries and gems. This book offers a unique take on Ruby from the perspective of a seasoned PHP developer who initially refused to learn other technologies, but never looked back after taking the leap. As such, it teaches with a language-agnostic approach that will help you feel at home in any programming language without learning everything from scratch. This approach will help you avoid common mistakes such as writing Ruby as if it were PHP and increase your understanding of the programming ecosystem as a whole. By the end of this book, you'll have gained a solid understanding of Ruby, its ecosystem, and how it compares to PHP, enabling you to build robust and scalable applications using Ruby on Rails.
Table of Contents (15 chapters)
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1
Part 1:From PHP to Ruby Basics
8
Part 2:Ruby and the Web

Repeating code with loops

We have come to our next topic, which is loops. Ruby, just like other languages, has different ways of making the same code execute repeatedly. When we discussed arrays, specifically the array that contained instruments’ names, we saw an example of the for loop, which was used to print each instrument contained in the array. But let’s look at another type of loop, one that is more commonly used: the while loop.

The while loop lets us repeat a code execution that is determined by a true/false condition. Let’s say we wanted to print a number from one to three. We could create a print statement and simply repeat it three times while incrementing the value. However, let’s try a different way that will be more concise. Start by creating a counter variable:

counter = 1

Now, we can start the while loop cycle:

while counter <= 3
  puts counter
  counter++
end

This may seem like valid code, but we will...

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