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:
main
<?php
$age = 17;
if ($age >= 18) {
echo "You're an adult";
} else {
echo "You're not an adult yet.";
}
?>
<?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
<?php
$var1 = '7';
$var2 = 7;
if ($var1 === $var2) {
echo "'7' and 7 are identical";
} else {
echo "'7' and 7 are not identical";
}
?>
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Sektion 3. Kapitel 2
<?php
$var1 = '7';
$var2 = 7;
___ ($var1 === $var2) {
echo "'7' and 7 are identical";
} ___ {
echo "'7' and 7 are not identical";
}
?>
