Comparison and logical operators are used to make complicated logical expressions. These comparison operators are used to compare values and consist of operators including less than, greater than, and equal to. These operators can be combined to created powerful logical expressions in PHP. Learn how to use comparison and logical operators in different ways in this PHP with MySQL online tutorial.
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In the last movie, we learned about basic logical expressions using if else and …else if. Now, I want us to talk about the …expression part of that, the part that evaluates to true to false. …And I want us to enhance our ability to work with that to generate some more …complex expressions. And to do that, we're going to have to …learn about comparison and logical operators. …In the previous example, we said if A is greater than B, or if A is less than B. …Less than and greater than are comparison operators. …But there are a number of other ones that we can use as well. …One of the most important ones, is equal. Are two things equal? …Compare them. Is A equal to B? …It's made up of two equal signs. When we're testing if something is equal, …we use it by using two equal signs. So, when we have one equal sign, we're …doing assignment. We're assigning a value to something.…
When we have two of them, we're comparing the two. …It's important to keep the two straight. One is for assignment, two is for comparison. …
- 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
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