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Introduction to PHP

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Else Statement

An if can be followed by an optional else block. The else block will execute if the Boolean expression tested by the if block evaluates to false.

Let's consider a example:

php

main

copy

              
12345678

            
<?php
$age = 17;
if ($age >= 18) {
    echo "You're an adult";
} else {
    echo "You're not an adult yet.";
}
?>

In the example above, the age < 18, so the if code block hasn't been executed. The else code block executes when the if condition is false.

The else syntax is like the if syntax without a condition and parentheses ( ).

Opgave

Swipe to start coding

Fill in the blanks in the code to check the identity of variables $var1 and $var2 using the if ... else construct.

Løsning

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Sektion 3. Kapitel 2

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book
Else Statement

An if can be followed by an optional else block. The else block will execute if the Boolean expression tested by the if block evaluates to false.

Let's consider a example:

php

main

copy

              
12345678

            
<?php
$age = 17;
if ($age >= 18) {
    echo "You're an adult";
} else {
    echo "You're not an adult yet.";
}
?>

In the example above, the age < 18, so the if code block hasn't been executed. The else code block executes when the if condition is false.

The else syntax is like the if syntax without a condition and parentheses ( ).

Opgave

Swipe to start coding

Fill in the blanks in the code to check the identity of variables $var1 and $var2 using the if ... else construct.

Løsning

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 3. Kapitel 2
Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
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