whaht does '\' php code example

Example 1: php or

$num1 = 5;
$num2 = 10;
$num1 === 5 or $num2 === 6;
// Shorthand
$num1 === 5 || $num2 === 6;

Example 2: what does $ sign mean in php

<?php

$name = "World";
echo "Hello, $name";

# $ i.e. "sigil" is used to distinguish a string variable from rest of the string.