Php Switch Case Range Of Numbers
If there is a match the block of code associated with that case is executed.
Php switch case range of numbers. The switch statement can go through many blocks of code. In this c programming video tutorial you will learn to use range in the switch statement case values with example. In this article we are going to discuss the same. You can specify a range of consecutive values in a single case label like this.
Only when a case statement is found whose expression evaluates to a value that matches the value of the switch expression does php begin to execute the statements. Usage of the range in the case. It is important to understand how the switch statement is executed in order to avoid mistakes. The value of the expression is then compared with the values for each case in the structure.
It is similar to an if else statement but is much easier to understand. Gcc compiler allows you to use this feature. The expression following the keyword switch can be a variable or any other expression like an integer a string or a character. That is the case range extension of the gnu c compiler and not standard c or c.
The switch statement executes line by line actually statement by statement. I wasn t sure about what was going on myself until i looked into the issue a bit more but it would appear that there is an interesting caveat with the switch statement when passed a value that loosely evaluates to the boolean false and the integer 0 meets that condition. Code to be executed if condition 2. For example if you want to execute same set of statements with a range of numbers you do not need to write separate case.
Each of the values used in the case statements must be unique within the scope of the switch the default keyword indicates the default if none of the case statements match the expression in the switch statement. Yes we can use a range of values with switch case statement. You all are familiar with switch case in c c but did you know you can use range of numbers instead of a single number or character in case statement. In the c programming language the case statement used in a switch statement must specify a value that the compiler can turn into a constant in some way.
When we run a program containing the switch statement at first the expression following the keyword switch is evaluated. Each constant in each case must be different from all others. How we can use switch case with the case values in a range in c programming language in this article we are going to explain the same with an example. Code to be executed if condition 1 break.
Syntax php switch condition case 1.