These operators are mainly used for combining conditional statements. I think this may help you to resolve your problem. The logical operators are &, , xor, , AND, or. $error = "The value must be alphanumeric." PHP Switch Case Statement compares the same variable or expression with many values and executes the different blocks of codes depending on the condition. $error = "The value provided is too long." Ĭase (!preg_match('/^+$/i', $foo)): The WHOLE reason (the only reason, IMO) to ever use a script-bloating switch block is to perform a single evaluation of a value and find the satifying case(s). As an example, here's a simple validator written using switch: Description: Write a program to print Hello World using echo only Conditions: You can not use any variable. In our last article, we understand that what is switch and how to use switch in php. PHP's switch doesn't just allow you to switch on the value of a particular variable: you can use any expression as one of the cases, as long as it gives a value for the case to use. Last Updated : IN - PHP In this tutorial we will show you the solution of switch case in PHP with multiple case example, as we know that switch is used in php to select one of many block of codes to be executed. If no condition has been met then the default block of code is executed. It only executes a single block of code depending on the value of the condition. Using fallthrough for multiple casesīecause switch will keep running code until it finds a break, it's easy enough to take the concept of fallthrough and run the same code for more than one case: PHP Switch Case Switch case is similar to the if then else control structure. If the simple case above is extended to cover case 5:Įcho "A copy of Ringworld is on its way to you!\n" The major caveat of switch is that each case will run on into the next one, unless you stop it with break. It's a piece of the language that allows you to select between different options for a value, and run different pieces of code depending on which value is set.Įach possible option is given by a case in the switch statement.Įcho "This is not the number you're looking for.\n" The switch statement is wondrous and magic. Try with these following examples in this article :
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