Does else if work in php?
From the PHP manual: Show
Essentially,
they will behave the same, but
The manual also notes:
Which means that in the normal control structure form (ie. using braces):
either Conditional statements are used to perform different actions based on different conditions. PHP Conditional StatementsVery often when you write code, you want to perform different actions for different conditions. You can use conditional statements in your code to do this. In PHP we have the following conditional statements:
PHP - The if StatementThe Syntax if (condition) { ExampleOutput "Have a good day!" if the current time (HOUR) is less than 20: $t = date("H"); if ($t < "20") { Try it Yourself » PHP - The if...else StatementThe Syntax
if (condition) { ExampleOutput "Have a good day!" if the current time is less than 20, and "Have a good night!" otherwise: $t = date("H"); if ($t < "20") { Try it Yourself » PHP - The if...elseif...else StatementThe Syntax if (condition) { ExampleOutput "Have a good morning!" if the current time is less than 10, and "Have a good day!" if the current time is less than 20. Otherwise it will output "Have a good night!": $t = date("H"); if ($t < "10") { Try it Yourself » PHP - The switch StatementThe PHP ExercisesIn this guide, we will be showing you how to use the if, else, and elseif conditional statements in PHP. Conditional statements are one of the first things you should learn when you are starting out with the PHP language. These statements allow you to perform an action when your stated condition is met. They are a critical part of writing a script in PHP. Over the next few sections, we will touch on three of these conditional statements. We will be touching on the “ Code contained within both the Table of Contents
The if Statement in PHPThe first PHP conditional statement that we will be touching on is the The
if statement allows you to check if a particular condition evaluates to true. If the statement is true, PHP will run the code within the curly brackets ( Below is an example of how you would write a simple if statement within your PHP script. Example of Using the if StatementWe will now run you through a simple PHP script we wrote to show you how the if statement works. Within this example, we will get the current
day using the Using the If our day is Monday, then our script will use the echo statement to print out the text “ The if…else Statement in PHPThe next PHP conditional statement we
will be looking at is the else statement. You must always use an else statement last in your condition chain. For example, after an “ The This conditional statement is useful when you want code to be executed if your Below is an example of a typical Example of Using an if…else StatementNow let us go into a simple example of using the If our “ If the “ Within this else statement, we use echo to display the text “ The if…elseif Statement in PHPThe PHP language allows you to add a conditional statement after an They are used after an This is useful if you want to check another condition if the first one proved to be false. Below is an example of writing an Example of Using the if…elseif StatementLet us run through the following example. This example will show you how a With this example, we retrieve the current day of the week and store using the “ We then have our first if statement. This conditional statement checks if our current day equals “ If the day is not equal to “ Within this The if…elseif…else Statement in PHPThe You always need to start a conditional statement by using the if statement. After this, you can now use either an “ You can add as many Finally, this chain is ended with an Below is an example of how you would write the “ Example of Using the if…elseif…else StatementWith this example, we retrieve the current day using the date function and store it within the “ With our first If the day isn’t Monday, it will fall through to our second conditional statement. With the “ If the previous two conditional statements return false, the code will fall into the Within this else statement, we use the PHP echo statement to print out the text “ Another useful way to use if statements within PHP is to nest them within each other. Using an if statement in this way, you can check for a condition if the first statement returns true. A nested statement allows you to run a second conditional statement if the first statement returns true. Below we have included an example of writing a nested if statement within PHP. Example of Using a Nested if StatementWe will show you a basic usage of nested if statements for this PHP example. Like our previous examples, we start by storing the current day within our We then utilize the The first thing we do within our if statement is echo the text “ We then get to our nested if statement. For the condition for this statement, we check to see if the current hour is greater than
( If our nested condition matches we use echo to show the text “ ConclusionWithin this guide, you will have learned how to use various forms of the if conditional statement within the PHP programming language. These forms include the Conditional statements are a core part of the PHP language as they help you perform different actions depending on the results of your conditions. Additionally, we also touched on how you can use nested if statements. If you have any questions about using Be sure to check out our other PHP tutorials or if you are interested in other programming languages, check out our general coding guides. Weekly Updates Straight To Your Inbox Receive our Raspberry Pi projects, coding tutorials, Linux guides and more! How we use if else and ELSE IF statement in PHP?if...else statement - executes some code if a condition is true and another code if that condition is false. if...elseif...else statement - executes different codes for more than two conditions. switch statement - selects one of many blocks of code to be executed.
Can we use if without else in PHP?An if statement by its self is absolutely fine. If you have a series of conditions where only one will be true it's better to put the most likely first, then use else if on the subsequent ones so that PHP doesn't have to keep evaluating each condition.
Is it else if or Elseif?Yes, "elseif" and "else if" both are synonymous, alike in meaning and significance. You can mix "else if" with "elseif" together. For Example - We can use "else if" and "elseif" together.
How many else can you have in PHP?There are about 50 else if statements in the code. I always pass a POST Parameter cmd to my ajax. php file and check if the variable is set and execute different code depending on the variable content.
|