#Php if else code#

In the above code we are given a number 10 in variable $no.Let us find whether a given number is even or odd.Let us see an example on if…else statement.But when condition in the if block evaluates to false, the statements in the else block are executed. When condition in if statement evaluates to true, the statements in the if block are executed.Each block can contain one or more statements.As opening and closing curly braces below if statement denote the start and end of the if block, the opening and closing curly braces below else statement denote the start and end of the else block.In the syntax if and else are the keywords and a condition is given in the parenthesis following if keyword.Let us first see the syntax of if…else statement.If…else statement is used to check a condition and execute the statements accordingly.In if statement we get answer only when the condition is true, but in if…else statement we get answer for true as well as false condition.even if the condition evaluates to true or it evaluates to false, we use if…else statement. In such cases when we want answer for both conditions i.e.You will get no output and hence you will not understand anything.

Try taking value 4 in the variable $nyrs in the above example.

But if the number of years of service is less than 5 then you will get no output.

The output is shown below in browser when you put the address localhost/if_else in the address bar of the browser:.

This rule should be followed with all the control statements. For one statement we can eliminate the curly braces but we cannot eliminate them if the if block has more than one statements.

You will notice that curly braces are not given around the echo statement, this is because the if statement has only one statement to execute after checking the condition i.e.

Condition in the above example evaluates to true, hence the statement You will receive Rs.2000/- as diwali bonus.

the comparison operator greater than or equal to is used to check if the number of years given are greater than or equal to 5.

The condition is that the number of service years should be 5 or more than that, so the condition checked in if statement is $nyrs>=5 i.e.

Now to check the condition we use if statement.

For example we took 6 years and stored it in the variable $nyrs.

We know that to receive diwali bonus it is must that the employee has completed 5 or more than 5 years of service.

Here in the above code PHP code in written in the PHP tag in body section.

Write the following code in this index.php file.Įcho 'You will receive Rs.2000/- as diwali bonus.'.How will we check this in if statement, let us see. 2000/- as diwali bonus to employees whose service is more than or equal to 5 years. Imagine that you are working in a company.Create a new folder if_else in htdocs folder of xampp folder in C drive and then save a notepad++ document with name index.php in this newly created if_else folder.If the if statement has only one statement to be executed if the condition evaluates to true then the curly braces can be omitted.When the condition in the if statement evaluates to true, the statements in the if block are executed.This if block can contain one or more statements.The opening and closing curly braces denote the start and end of the if block.In the syntax if is the keyword and a condition is given in the parenthesis following if keyword.The purpose of If statement is to check a condition.Different decisions are taken based on different conditions.

This statement is also called as conditional statement. In this tutorial we will see one such decision making statement called as If…else statement. These statements control the decision making, repetition, interruption etc. These statements are called as control statements. Each language has statements that control its execution.