if and else statement in php code example

Example 1: php elseif

<?php
if ($a > $b) {
    echo "a is bigger than b";
} elseif ($a == $b) {
    echo "a is equal to b";
} else {
    echo "a is smaller than b";
}
?>

Example 2: PHP if...else...elseif Statements

<?php
$t = date("H");

if ($t < "20") {
  echo "Have a good day!";
}
?>