21
Oct
What is a Boolean? In PHP, a Boolean is a data type that can have only two values: true: Represents a positive or affirmative state. false: Represents a negative or false state. Boolean values are often used in conditional statements, comparisons, and logical operations. It is important to note that both true and false are case-insensitive. So, true, True, truE, TRUE are all valid. Creating Boolean Variables You can create a Boolean variable by assigning the values true or false directly: Example: <?php $isAvailable = true; // Boolean variable set to true $isLoggedIn = false; // Boolean variable set to…