Php Switch Case Default Not Working

If you do not like that then you can make a loop around the whole thing to have it wait for valid input. So i m making a menu in a simple console app. And to clear the cin buffer something you ll have to do in the default.

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Switch 5 1 one 2 two 3 three to overcome the above problem default needs to specify and default block executes when none of the parameter matches.

Php switch case default not working. No break is needed in the default case. In computer programming languages a switch statement is a type of selection control mechanism used to allow the value of a variable or expression to change the control flow of program execution via search and map. In the beginning no code is executed. 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.

Instead of just putting in certain strings into each case i put in a boolean and asked the user how old they are. Switch case statement not working right. As an example given below 5 doesn t match with any of the switch cases. That is the case range extension of the gnu c compiler and not standard c or c.

But you can get the same code to be run on multiple cases by listing the cases and not breaking until past the relevant code. Next the operator the logical or operator only works on boolean values not string values. The default case can be used for performing a task when none of the cases is true. My code is pretty much.

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. A switch statement can have an optional default case which must appear at the end of the switch. First switch statements on strings are supported in java 7 but not in java 6 and before. Why will this below code not work.

The switch statement executes line by line actually statement by statement. It is important to understand how the switch statement is executed in order to avoid mistakes. Ask question asked 8 years 3 months ago. Default simply skips out of the switch case construction and allows the program to terminate naturally.

Active 8 years 3 months ago. You can specify a range of consecutive values in a single case label like this. Switch statements function somewhat similarly to the if statement used in programming languages like c c c visual basic net java and exists in most high level imperative. Links to actual code at the bottom.

You could easily make a few small functions if you wish to test the code. Viewed 2k times 0. It just always logs the default statement no matter what i put into the prompt and logs nothing if i have no default string to log. Now what if the parameter doesn t match the expression.

In this case the output will be null.