Floating points, known as floats for short, are commonly referred to as decimal numbers. This type of data is stored differently in computer memory than integers and therefore must be differentiated in the code. Functions such as CEIL and FLOOR can be used to round numbers depending on whether you need floats or integers. "Numbers part two: Floating points" explains how different types of numeric values can be used to make calculations in PHP and MySQL.
- View Offline
- Exercise Files
Now we've taken a look at integers, I'm going to to take a look at another type …of number which are floating point numbers also simply called Floats, for short. …You may know them more commonly as decimal numbers. …That is numbers that have a decimals in them followed by a number of significant …digits 2.75 is an example of a floating point number. …Now, it may seem arbitrary to you if you haven't done a lot of programming before …that we divide numbers into these two types. …Integers and floating point, and the reason why is because computers store …integers and floating points in different ways in memory.…
Mostly because of those significant digits that we have to keep track of with …floating points. Because of that, almost every single …programming language has two different types to work with integers and floating …point numbers. So let's look at how PHP works with floats. …So, I'm going to start by opening up basic.html, and then I'll just do a Save …As on that. And let's just change this to be …
- What is PHP?
- Installing and configuring PHP and MySQL
- Exploring data types
- Controlling code with logical expressions and loops
- Using PHP's built-in functions
- Writing custom functions
- Building dynamic webpages
- Working with forms and form data
- Using cookies and sessions to store data
- Connecting to MySQL with PHP
- Creating and editing database records
- Building a content management system
- Adding user authentication
Skill Level Beginner
PHP with MySQL Beyond the Basicswith Kevin Skoglund10h 26m Intermediate
1. PHP Overview
2. Mac Installation
3. Windows Installation
4. First Steps
5. Exploring Data Types
6. Control Structures: Logical Expressions
7. Control Structures: Loops
8. User-Defined Functions
10. Building Web Pages with PHP
11. Working with Forms and Form Data
12. Working with Cookies and Sessions
13. MySQL Basics
14. Using PHP to Access MySQL
15. Building a Content Management System (CMS)
16. Using Site Navigation to Choose Content
17. Application CRUD
18. Building the Public Area
19. Regulating Page Access
Next steps2m 4s
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.