Start using Strict typing in PHP

What is strict typing in PHP?

Photo by Markus Winkler on Unsplash

Before explaining about Strict typing in PHP, we going to execute the below programs.

<?php

function sum($a, $b)
{
  return $a + $b;
}

echo sum(1, 2.5); // output 3.5

?>

The above program is used to find the sum of two given numbers. So the output is 3.5

Scalar type…