With switch construct, it is possible to compare the same variable (or expression) with many different values, and execute a different piece of code depending on which value it equals to. Firstly, there is no word case before default - thats just how the language. We also touch on comparing switch statements to if-else statements. Use break after every block of code to prevent code form continuing. This tutorial will touch on how to write a switch statement in PHP and cover some of the basics that you need to know. If no match is found, then the default case is executed. What is the advantage of using 'OR' in switch case conditions in PHP Using 'OR' in the switch case condition can simplify the code and make it more efficient by reducing the. It evaluates the expression or variable once, and then it compares the value to one of the given cases. if-else: Direct Comparison Let's begin with a simple example that shows a direct comparison between using if-else and switch-case to control program flow. When the case, or condition, is met (true), the specified. In this tutorial, I will show you how to use switch-case in PHP to compare a variable with many different values. This is where using swtich-case construct can make the program compact and readable. There are two important things to note in the PHP switch/case statement code. Can I use other operators in the switch case condition in PHP Yes, other logical operators like 'AND' and 'NOT' can also be used in switch case conditions in PHP. The switch statement begins by accepting a single value, which it compares against multiple cases. If a program needs a series of if statements that perform different process for vaarying value of an expression, it may get very clumsy with each if statement having its own set of curly brackets.
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