php if this or that var code example

Example 1: php if elseif

$a = random_int(0, 10);
$b = random_int(0, 10);
if ($a > $b) {
  echo 'a is greater than b';
} elseif ($a == $b) {
  echo 'a is equal to b';
} else {
  echo 'a is less than b';
}

Example 2: if not php

$a = true;

if(!$a) {
	echo "False"; // Will return this
} else {
	echo "True";
}